This may, in the end, be for the best - if it dents American power over the long term.
I like America and Americans very much, but no state should wield the kind of power the United States currently holds, precisely for the reasons the Trump administration exemplifies. When a responsible government is in office, all is well and good. But when the political winds shift and a more capricious actor takes charge, such concentrated power can become dangerous.
I hope America’s allies have taken note and will adjust their policies accordingly.