We do have limits for how much work a human is allowed to do and, based on the experience of Amazon workers, they are due for some tightening already. I'm not seeing a clear case for AI but I wouldn't discount it entirely either.
I imagine a solution would be a knowledge worker's bill of rights that declares the amount of output that one can reasonably expect from a human. You could add some measurements like "a knowledge worker cannot be expected to understand and take responsibility for more than X printed pages of work per day", with the expectations that if your employees are overworked then the accountability falls on you.
[1] DUIs too: https://www.loweringthebar.net/2026/04/still-illegal-to-driv...