Regardless of the EU support not being what it should be, it is in the best interest of the USA to support Ukraine. Russia is a systemic rival and will not stop its aggressive expansion into other countries if they are not stopped in Ukraine. Slightly cynical, but even if Russia wins in the end, dragging this war out by supplying Ukraine also weakens Russia more than the current support weakens the USA.
I need you to show some examples please. For all I know, Trump is The Swamp incarnate. Gave his family and friends high positions in the government, spent millions of tax payer money for trips to places owned by him so he directly profited from every trip. He and his family took donations (and likely bribes) from the rich and poweful both in and outside the US and his policies are super good for the rich and bad for the poor. How anyone can think he’s “anti-establishment” is beyond me. The establishment is paying him to do what he does.