OP messed with someones controller and the guy with the controller attacked OP.
I don't think messing with a controller is worth getting a broken arm.
This is a different scenario. Here, the aggressor was aggravated. In this topic, you're aggravated by the aggressor. Which makes no sense because it probably never happened.
I apologize for thinking that self defense is a bad thing, I'm sorry for thinking that I should let people take advantage of me...
Judging by this I'd say that you're pretty thick-skulled and probably don't have to worry about walnuts anyway. Look, people give each other bruises in paintball for fun in their spare time. If you bump your arm on a wood table, you get a bruise. They're not big loving deals, you're probably just still in your testosterone stage because you're too immature to get out of it.