US support is the main reason Russia hasn’t steamrolled Ukraine. If US wasn’t going to commit to article 5 then I’m sure the baltics would be next. I can’t see Europe supporting them when are own militaries are weakened by years of cuts. Only Poland seems to have taken this threat seriously.
That's the kind of things that I don't understand, you think that Europe is currently not supportung Ukraine while the US are?
https://www.voanews.com/a/us-figures-do-not-support-trump-claims-on-ukraine-spending/7981441.html
https://www.ifw-kiel.de/publication...but-steady-shift-towards-weapons-procurement/