It's a management problem. We have books and courses that teach management. We don't have to re-create the history of humanity every time we have a new proble

It's a management problem. We have books and courses that teach management. We don't have to re-create the history of humanity every time we have a new problem just because "computers." As far as thousands of moderators, you just make rings: ring 0 = Reddit Corporate employees; ring 1 = moderators of high-value subreddits (paid, maybe not full time, but compensated); ring 2 = moderators can elect sub-moderators for helping (maybe paid, maybe an on-boarding process for ring 1); ring 3 = community moderators (no pay, but trusted with simple decisions); ring 4 = on boarding for ring 3; ring 5 = unprivileged users.