npub1z70sk8dp9daycrrpg4xwss9t0cujpxat5u6ynxc9yy2tvraw890sqgjtuz (npub1z70…jtuz) :: The only counter example I can think of off the top of my head is Haskell. It was born by the functional programming community rallying around one language instead of fragmenting themselves around many similar ones.
Apparently, Lisp came from MIT. Honestly assumed that one just manifested itself into existence.