Yea I never understood why they do that either. I love the challenge of the game. If I wanted easy kills I would've played against bots. It baffles me that these people enjoy doing that kind of thing. Although sometimes it has a purpose, only sometimes. I heard they usually help their friends rank up by doing that. By dominating the other team you give your friend a higher chance to get more kills and score more points than usual. That's just another lame justification though.