> I have never run a warehouse,

You don't know...

> ... but I suspect that many of the strange seeming rules are in place because people otherwise try to exploit the system (like getting paid for smoking on the toilet for hours on end). It may seem inhumane, but perhaps it makes it possible to give people jobs who don't deserve automatic trust. Such people exist, unfortunately.

... but you're assuming low wage workers cannot be trusted and therefore treated humanely.

I think these biases are the issue being discussed.