He’s only doing it to elicit anger. He’s just a petty little bully. While it might distract from the Epstein files or the domestic policy dumpster fire, i don’t think he’s doing it for any other reason than it amuses him to piss people off.

Piggybacking on @GMac’s excellent comment, here’s some additional detail:

Alexander Fleming (Scottish) - penicillin

John Shepherd-Barron (English) - ATM (although this was a synthesis of many previous inventions/ concepts from other countries)

James Clerk Maxwell (Scot) - colour photography

Da Vinci (modern day Italy) - contact lenses

Alexander Cumming (scot) - S-bend

Various nationalities helped develop the internal combustion engine

Robert William Thomson (scot) - pneumatic tyre

Same. Although I’m reading this on Voyager, which has borrowed heavily from Apollo