This is mostly because at (a lot of) these places - there is no reward for doing any work. You don't get promoted if you do a good job. If you get a raise, it's

This is mostly because at (a lot of) these places - there is no reward for doing any work. You don't get promoted if you do a good job. If you get a raise, it's like an extra $1k a year. You get little more than a pat on the back.