It is a bit of a miracle, but I'm sure they sense a historic opportunity here to maybe, possibly, be able to finally carve out an independent homeland. They truly deserve it. That's probably why they're pragmatic about playing ball with a treacherous foreign power...
I get the strong impression that since he wasn't able to get a quick, easy and cheap "win" by solving this conflict, Trump has totally lost interest in Ukraine. That can actually be a blessing in disguise for them since he put them under immense pressure to give up territory permanently and just...
That's a risky play even with a big lead in popular support because it could anger some voters who see it as an unnecessary waste or a cynical attempt to power grab.