There should be some global body that makes decisions about things we shouldn't make killer robots being one of them, for example. For us, as law enforcers, we're just firmly focused on using the US laws and authorities to protect American citizens from how these business practices could harm them. The assumption that monopoly power in digital markets will just self-correct has been proven flatly wrong. We've instead seen how these firms were able to undertake in the anti-competitive business practices they were able to engage in locked in their dominance for many years.