We should not even consider poking our nose in
Hmm, I don't really see that as a feasible position; we could stand by and watch as a country that borders the European Union descends into mayhem and all the many, many implications that has on energy security, trade & investment, contagion (to Belarus?) etc. etc. But do you think any EU action to try and stop the opposition getting their clock's cleaned wouldn't involve us?...I certainly don't.
My big worry instead, is do we (Europe) still have the capacity to act effectively, without the aid of the United States?...it could all end very embarrassingly for Europe and very triumphantly for Putin, IMHO. I'm pretty certain one of the big lessons from the former Yugoslavia was that Europe needed to take more responsibility for its own defence capabilities. Even then we needed good ol' Uncle Sam, and our capabilities as a continent are far diminished from then!!