This implies that U.S. stopping weapons deliveries would leave them without weapons and ammunation which is not the case. It would make things a lot harder for Ukraine and make them lose more soldiers and land but it wouldn’t stop the war. They’d rather die than submit to Russia. Also, U.S. is not their only weapons supplier.
He’s not a warmonger for one. He’s pretty funny too.
EDIT: Also, though a bit synical, I must say that I find some enjoyment in how mad he makes the far left which I see as one of the main reasons we got Trump to begin with. He’s the reaction to wokeism and identity politics.