The incompetent and the evil

Generally speaking there are two types of managers at Amazon: the incompetent and the evil. Everyone else gets driven out pretty quickly. Our teams experience is the perfect example. We had the most incompetent manager for the past couple of of years who didnt really do anything other than just report good things to his boss. No matter how good or bad we were at our jobs every one-on-one with our manager was just him saying we were doing great without any meaningful feedback. This didnt motivate our top SDEs and also didnt help our weak SDEs to get better. Our complaints to senior management and HR about our manager fell on deaf ears for over 2 years. Finally he was suddenly pushed out the door without any warning. Our senior manager then held a team meeting and told us that he recognized that our manager had been incompetent and he would work to find us a better replacement. Instead of admitting it was his fault for ignoring our complaints he instead yelled at us because he was mad that this situation was likely to hurt his chances at getting promoted. He then completely ignored us for the next 6 months while he supposedly tried to hire us a new manager. We never had one-on-ones with him or anything and we just tried to run our projects and ops on our own. After all of this dealing with incompetent and then selfish managers the entire team started quitting and no one was left by the end of the year. I last heard that our senior manager had gotten promoted after all since he was able to blame all of our team problems on our previous incompetent manager. This showed that he was just plain evil since he didnt care that he didnt do anything to help our old manager and also didnt do anything to help us so he was just happy to make more money even if everyone else on our team had a horrible work experience. We thought our situation was isolated but it seems to be a commonplace situation at Amazon with so many evil managers just trying to get rich while they keep around enough incompetent people to fire and blame for any problems. Just check all of the internet chat board to see so many examples like this.