I see the problem , about beeing a good temamate. Whoever made the grading system wasn't thinking about selfishness. It arouses us to play more for ourselfs due to points u get for every kill and every flag you capture. Sometimes teammates are fighting between themself for taking the flag. Once I had the flag and not a lot of life left and my teammate blocked my way so I was killed and he took the flag. If the points differences between first and last tanker in one team were lesser , I guess there would be more solidarity . Isida healing gives you no points... A lot of times isida has K/D ratio of less than 1. And on the top of it, they get no points for healing.. All this reasons are causing egoism