In the case that Russia actually collapses as a state ... which is not likely, but cannot be ruled out if they lose this war badly (lost wars are an enormous stress test for authoritarian regimes where the ruler gets all the blame, just look at the collapse of Tsarist Russia in 1917) ... a lot of territory would be up to grabs. Kaliningrad could transform to a puppet state of the EU, removing a serious gap in its ter…
What is happening is quite opposite to what you propose. NATO will increasingly be seen as an ineffective formulation for security of Europe as it has been demonstrated by Russia to Europeans. (The choices [it affords] are roll over or start a nuclear war. That's not a 'security' framework.) Sovereign European states will definitely (re)consider reaching 1-to-1, direct, security and treaty arrangements with Russia. S…
(Not just my opinion, look it up for yourself)