I agree closely with the 1st 2/3 of that, but then diverge a bit.
Putin may be the immediate problem, but, in truth he’s just a symptom. Russia has returned to its historical pattern (just as I believe Europe without NATO would revert to ITS historical pattern(s), given a bit of time. But... with nukes, the next go-round.)
A long term question is “How can Russia beat its addiction to Putin-style rulers?” Shorter term questions are Ukraine’s survival and (possibly) getting Europe through next winter (plus food shortage regions).
I agree about Europe. Spot on analysis with that.
How to change the Russian paradigm is a good question. But any lasting change will have to be their idea and not something imposed on them.