A friend of mine in my clan hopped into their game just to see how "good" these guys actually were and they had 10 people in the same clan in the same lobby, clearly boosting their win total in clan wars. This ruins the experience for an honest clan like mine, as we simply can not compete with these cheaters.
EDIT: I also looked through their clan roster quickly and saw at least one member with a 0 win% and KD