Indeed.
I think they -- like many other Trump supporters -- are getting a good look at what they worked to put in office and are getting buyer's remorse. They know this guy is mentally ill and will destroy everything around him. And America's decline internationally is going to be a problem, even for our adversaries, because we're such an important part of the world economy. "A rising tide lifts all boats," and an ebbing one lowers them all. Trump backed out on a trade deal that's going to boost a lot of other countries' economies and sink ours, once it starts really taking effect. Russia will be boosted by it, but other countries around it will be boosted even more -- mainly China and India, and they're positioned to be more direct competition. That may be giving Putin some pause.
But, mostly, I think it's like you say -- they just want to keep America embroiled in controversy and losing more and more international respect and trust. They put Trump there, so now they'll poke at him and see if he topples. Meanwhile, he's poisoning our democracy with his war with the media, his attempts to meddle with the voting process, and his divisiveness.