Russia violated Article 1 of the Charter, by twice invading Ukraine.

The unwinding of international law is already in-progress.

The USSR was expelled from the League of Nations for invading Finland. The UN can't, or at least hasn't.

https://academic.oup.com/jcsl/advance-article/doi/10.1093/jc...

The U.S. invading any nation's territory surely leaves the Charter in tatters.