Yeah, except that didn't really happen.
Except that it did. Victoria Nuland admitted to $5B :
the fact you used the word "unconstitutional" is what gives you away as a Russian shill
There was regime change without elections. You and I might consider this "just", given that the previous bunch were pretty corrupt, but it certainly wasn't "constitutional".
NATO doesn't make anyone join by force
That's right, and I don't think anonymous GP was arguing they do. But they do accept or deny membership bids, and accepting Poland and various other former East Bloc nations was a violation of the promises made when the cold war ended.