Which is impressive, considering he should be target #1 for all ranged on the opposing team.
Why? He's not dangerous. I wouldn't waste throwing axes on him. Lancers are a lot more dangerous.
All Rohypnol does is pad his score by picking off peasants, late spawners, and then kite some people at end when its like 15 vs 2 and then while flags are going up.
Of course people are gonna be annoyed when 100 people are constantly sitting around waiting an extra min or two while flags have to go up and he's having no effect on inevitable outcome (building up "valor" stats too, taking it away from people who actually really fought well in the loss).
If he's constantly being kick-voted while no one else is (besides a few other trolls like gomer), the majority of playerbase obviously just sees him as more of an obnoxious person than someone who is adding positives to the gameplay experience.