The difference between WW2 and post Soviet Russia was the Marshall Plan- where the US pumped incredible amounts of money to build up the post-war economies of Europe and Japan. The same didn't happen post Soviet collapse Russia, in fact, I'd venture to say Russia was treated more like post- WW1 Germany- forced to assume all Soviet debt, a collapsed economy and social structure, with predictable results (the rise of Putin).

If this situation ends up with the collapse of the Putin regime, I hope that the West doesn't repeat the mistakes of the 90s and actually comes with real help to create a strong, confident, freer Russia.