Good points.
As for your:
I don’t really know much about Kavanaugh, but I’m inclined to support him because Trump does and because the DS doesn’t.
,,,
I say, “Ditto!”
Actually part of the DS—the Bushes, Cheney’s, Condi, etc., support him vigorously. The complaints are largely to gin up voter outrage, and thus turnout, on the left.