The atmosphere is nasty and it is seriously a big pressure, so most people do not smile or even talk to others as I believe they feel miserable.
Management, a bunch of weirdos acting cool. Colleagues: thats the biggest problem. Over 60% of the company is close minded and come from deep country side, the type which makes jokes about other people in a bully way.
To be accepted you have to show you are small and if you are just yourself and do not give a damn then you have serious issues as they most likely put you aside.
The return of investment they get when comparing to what they invest in people, they are making a lot of money, crazy. And pay you nothing for what you bring to them.