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Does anybody know a nontrivial example of such a counterfactual law that came out of this new approach?

The conservation of energy is mentioned in the article, but that’s old science. Theory of computation is implied as another example, but that didn’t come out of this new science either. The other examples look like trivialities, but I may be missing something here.

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This is the critical question and the answer is no, as far as I'm aware. Like many such suggestions it's "A great tool for telling you things you already know" as my professor used to say. Physics should be judged on its predictive power.

Try Judea Pearl’s The Book of Why for an exploration of the formalizations of counterfactual reasoning. I’m not sure what this article’s author is trying to say, so I’ll project and assume that it has something to do with the science of causation.

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