The fact that so much "new" stuff comes from Lisp proves you are right. Instead of 2 steps forward, one back, it seems with programming languages we keep return

The fact that so much "new" stuff comes from Lisp proves you are right. Instead of 2 steps forward, one back, it seems with programming languages we keep returning to the start. Lisp is one of those languages that rarely gets an upgrade, but everyone else keeps coming back to emulate it.