And we should do so, not because it's in their interests but because it's in ours. First, allowing all of Europe's wealth and tech to pass over to Russia and the Chinese would be catastrophic for the US. Second, allowing a restoration of the pre-WWII and pre-WWI game of great power land grabs just sets the stage for another world war, even if by accident. That's already plain simply from the "Biden" regime's appeasement policies and the eruption of conflicts we're seeing now.
I guess there’s something to what you say. If North America couldn’t avoid other continents problems a hundred years ago, it’s less likely to now.
I’d dislike China gaining more than Russia. Russia is nationalistic now, the Soviets are long gone. As far as I’m concerned, the people in Eastern Ukr will do just fine if annexed.
I don’t buy the fears of expanded Russian aggression to the Baltics and such. I fear the world will have far bigger problems rather soon, well beyond whatever Russia may do.