He may be trying to give Pootin a way to blame the ministry of defense for providing Pootin, Wagner and the Russian people false information. A way for Pootin to blame someone not named prigozhin. Sadly with the ministry of defense making public statements against prigozhin they are trying to force Pootin to pick between the two. Either way it is a win for us.
The problem isn’t the exact rate, it is their ability to pay for tax experts so they can avoid having most of their wealth taxed at all. This is why Biden wanted to beef up the IRS and sic them on billionaires. Scrutinize the cracks they slip through.