have a check about that guy ,why he is still not banned

i dont wanna waste of time to speak this guy ,but he is really selfish . when he want end game ,he doesnt care about his team and other players ,stay in base ,flame other players and give frei kill to enemy . We are all using time to the game and he csrew everything .https://photos.google.com/search/_tra_/photo/AF1QipPEDSk89YgeefKI9cBF_vrRrN3zRWBxgsleZsai