Trump is being forced to walk a delicate line here, since Z-man is just full of himself and both know the only one who can actually end this war is Putin.
What exactly would be the downside of Zelensky surrendering?
If you think he’d be replaced in a coup and the replacement would be more militarily aggressive . . . so what? This would not threaten the world. And with them having surrendered, what could the replacement do?
In contrast, a replacement of Putin with more hardline people, willing to make an example of Kiev with a nuclear weapon, thus revealing all the risks to the entire planet . . . which scenario poses less risk to the world?