Every successful company has these problems. Success attracts ambitious people and many of these high achievers accomplish their goals ruthlessly. In this process some other people who have different priorities feel left behind. Its just the way of life.
Take all the ambitious people and throw a challenging problem at them that can humble them other than that there is PR. PR expert will come out and tell you that not all teams in uber are bad, some of them are really good and the routine stuff we hear about any other big company.