> They're not, you're just in a small minority
The majority do not support this war, nor do they support Israel. Our politicians refusing to listen to the electorate is also a domestic issue. As are the many attempts that Israel has made to strip us of our fundamental rights.
if it was indeed about domestic policies, why promises were not held given to the "team"?
There has been no significant realignment of US geopolitical positioning between the parties, nor should you expect there to have been. That you thought there was is, to be blunt, on you. You followed a charlatan and got burned. You should have known better after you got burned the first time.
[1] Again, hardly surprising. He lies about everything.