I don't think I've seen this be the case -- since there are quite a few crappy and/or poorly paying jobs (in comparison) that become desperate for workers, ther

I don't think I've seen this be the case -- since there are quite a few crappy and/or poorly paying jobs (in comparison) that become desperate for workers, there's plenty of room for abusive and jerky people. That's ignoring other broken parts of the system, such as nepotism.