I've read somewhere that this behavior is come kind of valve for agression. Similar to laughing to specific kinds of comedy, or cursing at the other team in a s

I've read somewhere that this behavior is come kind of valve for agression. Similar to laughing to specific kinds of comedy, or cursing at the other team in a stadium. I wonder if that's verifiable. Some very senseless acts of aggression have occurred among the spectators at sporting events.