Trump has done/is doing generational harm to the perception of the US worldwide, to say nothing of US soft-power influence. It's going to take decades to rebuild that trust after he's gone, and we still have a couple of years of his term to run yet.

Not really. We have the most money, the most guns, and world economies depend on us. Europe won't even fight Russia when they literally invaded a country in their backyard, and Russia is much weaker than the US.