I am not against Europe sending in an army if it wishes. I am not against your pro-war position which seeks, via military means, to retake land in Russia's control. I am more pointing out that you're not actually willing to do anything about it. You're not willing to take any risk to your own security.
You can have whatever position you want, but a political slogan isnt a policy -- its not an argument, or a position. It's just some theatrical ploy to make yourself feel better: what is the policy you have (or anyone) to retake the land under russian control? How do you intend to end the war? Ask the school teacher to put Russia in detention?
Trump is withdrawing from Ukraine, there is nothing anyone can do about that. If Europe wishes Ukraine to retain all of its land, and far fewer of its lives, it will have to risk its own security. It will not, nor will you: this is the source of the hatred for trump, it requires people of your mind to act -- and that was never on the table
I'd imagine the US actions might well violate Budapest, but that was extremely watered down at the time from "gaurentees" to "assurances" so its a very weak position to start with. But in any case the world which now exists has three great powers: US, China, Russia. All three are now "pivoting to each other", and away from non-rivaling activity.
If europe doesnt like this, or you don't -- I have no issue with that: go on, do something.
The US is not pivoting back to the EU now, under no administration. Just as Biden retained Trump's pivot against China, the next admin (dem or rep) will retain his piovt from the EU -- since both have been the desire of every president over the last 20+ years.