Not in general. I always call him on it when he's being an asshole.
If a person definitely knows how to do it in class, then what's the point of doing it more at home? And what about people who don't know? They don't want to be the dipshit that's holding up the rest of their friends the class. And kids need free time to have with friends, and ride bikes, and all that stuff too. Especially since the station keeps fuck doin' weird shit. There's so much shit to worry about. We gotta be able to have some fun or our heads are gonna explode.