"...something like that happened..".

A strike with tactical nuclear missiles by the Kremlin at an EU town, you mean?

Would the UK and FR still uphold Article V?
The MAGA government would not, that is clear since the #MSC2025, even if, say, Germany permitted " FreeSpeech" #MAGA style, aka #NaziTalk like in the 1930's and 40's again.

What do you do if s.o. is blackmailing you? Do you pay the money?

OFC not, it'll never end!

This, in fact, is what the #USgov is doing to its..