Seizing US assets in Russia would just mean taking assets of US companies still doing business there. It wouldn't amount to much. Other than maybe some minor embassy funds, no western country has any significant assets anywhere Putin can get a hold of them. Most of this is just bluster on his part.
The purge is interesting. Stalin did a purge of the Soviet officer corps in the late 30s. It left the Red Army badly short of competent officers when the Germans invaded in 1941. I don't think any army in history has taken the kind of losses the Soviets took and survived.
Today the Russian officer corps has taken heavy losses in Ukraine. The Ukrainians were targeting command posts for a while which really thinned their junior and mid-grade officers as well as killed some senior officers. Now purging the senior leadership in the Kremlin will result in more senior field officers withdrawn from the front to fill the vacancies in the Kremlin. The way this war has gone, Russia doesn't have much in the way of competent leadership at any level, but further reducing the officer corps ends up diluting what competence they have even further.
I wonder if Ukraine has moved up another Patriot system?
