I was in the last 2 month in 540 Campaigns and in every single one was 1-3 Players doing nothing.
They are Sitting in the Base, running around and leech their way to Level 90. The Rewards for every single Campaign is 100.000-870.000 Exp, depends on their Level, 500-1250 Wolf Marks, Tomestones, Rewards that can be bought with Wolf Marks and Trophy Crystals, Mounts for Achievements and all that for doing nothing.
If you say in Alliance that Team A / B or C has someone afk in it, you get only answers like "chill" "you don't pay their sub", "snitch" and many other nice things. I see no point in fighting for those leechers and giving them free Rewards.
We need changes, like remove Exp from Frontlines or give us a Report Button for afk leechers. If you report someone who is afk and he / she don't move in the next 90 seconds, he / she gets kicked and get a 8-24 hour debuff, so that he / she can't enter again Frontline for the debuff time.