Even if it means sacificing a little bit of potential advantage. On top of this teams are realising a player who's afraid of being seen by the opposition isn't much good to You. The other stupid thing about this common misconception is that if You know what You're doing, You don't actually need Camo to hide in the bush. If I see a player Who is reliant on their camo to stay in the game, I know the chances are this player is no threat to my team. I'm not going to lie to You.
Paintball CAN be dangerous.
But if played according to standard internationally accepted safety rules, Paintball is perfactly safe. There are dangers associated with the sport. Shop, ski or motor cross goggles will not do. Nor will thay protect your face. Only properly trained people should attempted to fill tanks etc.