Most of the ways a rich person would be extorted are subject to some level of clawback, due to the nature of fiat and fiat-related things. There aren't that many things in modern society where settlement is really final, and where if you get sideways with it, literally nobody can alter it. Moreover, the lack of privacy in fiat world keeps a lid on a lot of malfeasance. It can only get so bad.

That said, the hyperrich have been dealing with many of these issues for a while, for sure. But the hyperrich are prepared for things that normal people typically are not.