I mean we only know of 1: John Connor. And that dude literally had an AI, sent it back it time so it could guide his kid self. That was after he sent Kyle Reese. T-100 literally replaced Reese's job.
I feel like there'll always be a market for handmade things, as there is now - people buy the stuff I make even though you can get something equivalent from IKEA for a fraction of the price