was bullied a lot as a kid.
He apparently insulted the UK out of nowhere, for no reason, because (he feels like) he can -- without even understanding that if he really wants to weaken any intra-European alliance, UK might be your best tool.
But the boy can't help it. (It looks like all of MAGA is the "unresolved childhood issues" club -- I still can't get over the "Daddy's home" meme that was going around after the election.)