> The slop-acalypse that so many of us fear,
  > when people will stop looking at anything
  > made by humans and only look at things made
  > by machines—why hasn’t that happened yet?

I contend people will be willing, even eager, to pay a premium for content provably produced by humans.

Are you an artist? A woodworker? Metalsmith? ... start recording your work and post it to youtube. I guarantee people will be willing to pay extra for the thing you built (I certainly would).

(edit: formatting)