1. AWFUL CRAZY MICROMANAGEMENT. No room to grow, your ideas and decisions are not heard and nobody cares about what you have in mind and what you can suggest to make a change.
2. Promotions are only for those who act like mad people in some sort of sect, blindly do what they are told, not ever sharing their opinion, but instead only repeating the company mantras. If you actually have your own way of working and you are not involved in all possible corporate stuff and don't show off every single minute, then you will never be seen and promoted, regardlesss of how good your actual professional results are. I can also add here that there are too many absolutely useless roles in the company: team leads of some teams that simply don't need any team lead, basically promotions for some people just for the sake of promoting them because they just do what is mentioned above.
3. NO respect for employees who have been with the company for quite a while. These people are completely neglected and forgotten and when they leave because they are just tired of this nonsense, nobody tries to keep them. They will just let you go and wave.
4. Frequent cases of miscommunication between departments - or, better yet, lack of communication competely. Certain individuals in the management team also try to hide some news, cover something up etc. which results in people finding out something through other channels - WORST POSSIBLE SCENARIO.