But on the other hand, Trump's treatment of Europe so far – especially in his second term – would be entirely shocking to the sensibilities of any westerner anno 2015. I'm not so sure the US isn't already steaming willingly towards lonesomeness and antagonizing all of its former friends.
You’re right, but it’s like that kid at school who’s a bully and a d*ck but everyone tolerates and stays kinda friendly with because they’re a bit scared of him, and his parents have the best house for parties.
The US can probably go a lot further than they currently have, before a meaningful coalition of meaningful countries will do anything significant —even just economically or diplomatically— against them in return.