"The end result of that is much, much worse for the USA."

And therefore, much better for the world. Look at what the US has done with its dominance: maintained a petrodollar empire while steadfastly denying that such an empire exists, attacking countries that step out of line, murdering at will. Trump just made it obvious what the US did, and was blatant in his evil, but he was just continuing what other presidents did before him.