Something awkward has happened to America's war on ESG: two decidedly "woke" issues have just acquired very large financial consequences within the space of a month.

First came modern slavery. In July, the Trump administration imposed additional tariffs of 10% or 12.5% on 60 trading partners over their failure adequately to prohibit imports produced using forced labour. The US Trade Representative described the action as tackling "modern-day slavery" in global supply chains, arguing that American companies should not be disadvantaged by competitors operating to weaker standards.

Then came children's welfare. Meta has agreed to pay up to U$18 billion over ten years to settle claims that Facebook and Instagram harmed children, with about U$12.7 billion guaranteed and a further U$5 billion conditional on comparable changes by rival platforms. Meta denies wrongdoing. The settlement goes beyond money, requiring changes including default daily usage limits for teenagers, overnight restrictions, limits on notifications during school hours and stronger age assurance.

The two cases have little in common legally, but economically they tell a similar story: an issue conventionally described as "social" travels through a company's operations or supply chain, creates legal or regulatory exposure and eventually becomes financially material. That is one reason shareholders care about ESG.

Not every environmental or social concern is material, and fiduciary duty helps investors walk that line: managers hold their clients' capital in trust, rather than as a mandate to pursue political objectives of their own choosing. But financial materiality does not arrive conveniently labelled in advance.

At Meta, concern about children's interaction with social media looks like an "S" issue, while how management designed its products, understood the risks and supervised them raises "G" questions. Litigation and regulation have now translated those questions into billions of dollars of expenditure and constraints on how the products operate.

Forced labour makes the point more starkly still. Working conditions several tiers down an international supply chain are the archetypal social issue in ESG analysis, yet the Trump administration has concluded that precisely such conditions can distort competition sufficiently to warrant trade intervention covering almost all US imports. Modern slavery is morally abhorrent, and Washington's economic argument is that it also creates unfair costs, since American companies spend money policing their supply chains while competitors elsewhere may not.

This all sits rather awkwardly next to Washington's campaign against European corporate sustainability rules. Earlier this month Andrew Puzder, the US ambassador to the EU, called on the bloc to go further in weakening its Corporate Sustainability Reporting Directive and Corporate Sustainability Due Diligence Directive. Washington's objections include requirements affecting American companies and their responsibility for environmental and social impacts through global supply chains.

The US therefore finds itself looking down the same supply chains from opposite ends. From Washington, social conditions deep inside them can be sufficiently important to justify tariffs against 60 economies. From Brussels, requiring companies to investigate and report environmental and social risks in those same supply chains is attacked as an unreasonable burden on American commerce.

There are good arguments about whether Europe has got its rules right. Due diligence can become disproportionate, reporting requirements can cost more than the information is worth, and extraterritorial regulation raises legitimate questions about jurisdiction and sovereignty. None of that requires investors to pretend the underlying risks do not exist, and it is not a good enough reason for either side to trade insults rather than talk the issues through.

Much of the ESG debate is really an argument about who gets to name a risk, not whether risk exists. When an investment manager identifies forced labour in a supply chain as an ESG risk, it can be dismissed as political activism; when the US government identifies the same forced labour as a distortion of competition, it becomes trade policy. The factory, the workers and the supply chain have not changed. Only the observer has.

Confusingly, the same instrument is being pointed in opposite directions. State attorneys general used materiality to extract the U$18 billion settlement from Meta over children's welfare. A coalition of sixteen state AGs, co-led by Nebraska's Mike Hilgers, is now challenging the Big Four accounting firms over their support for climate-related financial disclosure, arguing that their climate commitments may conflict with professional duties of integrity and objectivity. Attorneys general are entitled to their opinions. Investors, and the auditors they employ, are entitled to their facts.

Meta presents the same paradox. Investors did not need a political view on children's use of social media to ask whether product design could create legal, regulatory, or reputational exposure. That exposure now has a number attached to it, and like the tobacco cases that came before, the US findings against one business in one jurisdiction are only the beginning.

The obvious retort is that this is not ESG at all but financial materiality. Which is precisely the point. Investors have to identify material risks before governments, courts and markets put a price on them. Waiting until the cost appears in the income statement is not investment analysis. It is accounting after the damage has been done.

That does not make everything carrying an E, S or G label investment-relevant. Materiality requires judgement, and investors will disagree about which risks matter, their probability and their likely financial consequences. That is their job. What becomes harder to sustain is the proposition that whole categories of information cease to be legitimate subjects for investment analysis because somebody has attached three politically inconvenient letters to them.

If the US government can look through global supply chains, identify forced labour and assess its economic consequences, shareholders can surely ask companies how they identify and manage the same risk. If Republican and Democratic state attorneys general can turn concerns about children's welfare into multibillion-dollar corporate liabilities, investors might reasonably have wanted to understand that exposure before the settlement was announced.

The same logic runs beyond disclosure regimes, into the information infrastructure that makes risk pricing possible in the first place. In Miami this month, the meteorologist John Morales interrupted his own forecast to tell viewers he could no longer confidently predict a hurricane's path, not because storms had become less predictable but because cuts to the National Weather Service and NOAA have thinned the ranks of forecasters and reduced the number of weather balloon launches feeding the underlying models.

Actuarial science runs on exactly this kind of data, and insurers do not stop pricing risk because the information supply has thinned. What happens instead is that they price the uncertainty, through higher premiums, narrower coverage, or withdrawal from markets altogether. Well before anyone totals up the fiscal saving the cuts were meant to deliver, Florida homeowners are living with thinner forecasting and thinner insurance markets, Defunding a sensor, whether it is a weather balloon, an auditor's judgement, a line in a sustainability disclosure or a piece of proxy research, does not make underlying risks disappear. It only delays the moment at which someone, an insurer, a shareholder, a homeowner, has to price it with less information than they had before.

Brussels need not declare victory on the strength of any of this. The EU still has to show that its sustainability regime is proportionate, useful and competitive, and Washington's objections to poorly designed regulation do not disappear merely because ESG risks exist.

But European officials might permit themselves a raised eyebrow.

Washington has spent much of the year arguing that Europe has gone too far in making companies examine environmental and social risks. It has just supplied two rather good examples of why shareholders started examining them in the first place. And not from an investment manager or campaigning NGO, but from the US Trade Representative and a bipartisan coalition of state attorneys general.