You are more right than I wish you were.we've been hearing how the Russian economy is circling the drain for some years now and they still somehow keep soldiering on. I support Ukraine, but the idea that Russia will crack anytime soon might be wishful thinking. It also isn't the Russian economy, it is the Russian-Chinese-North Korean-probably Iranian economy. And Russia unlike most Western countries can self-supply many of the critical resources it needs (oil, gas, lumber, food) plus it has a population culturally attuned to suffering who are poor to begin with.
The most important thing is that Russia is emotionally invested in the outcome. Those Ukrainian Nazis have to be thwarted and what is the ancestral home of of the Rus must be brought back into the fold. Full stop.
The idea of a durable peace...?