Or maybe, just maybe, you should wonder why your company is full of disgruntled employees in the first place. Perhaps even listen to their complaints, if you're really feeling like a radical egalitarian or something.
Presumably because one hired human beings rather than robots.
People do get disgruntled because they are mistreated, but that's because they perceive that they are mistreated. I imagine that we've all worked with people who perceive slights when there are none.
I don't know a good way to detect these hires: generally in the interview people do a decent job of hiding this attitude. Heck, some folks can even make it through a probationary period without showing their true colours!
I think there's a book where the setting is that Hell is structured like a corporation.