I agree with all your points, but ironically what you said here is sort of another form of what Mearsheimer seems to advocate- carefully think things through to

I agree with all your points, but ironically what you said here is sort of another form of what Mearsheimer seems to advocate- carefully think things through to prevent provocations and escalations, based on a consideration of the concerns and fears of other involved parties. That being said, while there may be many factors involved leading up to Russia's invasion of Ukraine, it's still Russia invading Ukraine.