They've done all that stuff and more (including seizing their boats) for Russian oligarchs and it hasn't changed anything. In fact, a bunch of those oligarchs

They've done all that stuff and more (including seizing their boats) for Russian oligarchs and it hasn't changed anything. In fact, a bunch of those oligarchs have committed suicide as a result, frequently by shooting themselves in the backs of their heads and then jumping out of windwos.