[StilesCrisis]

Reality: none of the three people actually left their chairs because the AI can't verify. They just click "done" and collect their $10.

[joquarky]

Check out the short story Manna by Marshall Brain.

It covers all of that.

[jfyi]

The AI can hire verifiers too. It of course turns into a recursive problem at some point, but that point is defined by how many people predictably do the assigned task.