MPGH isn't a place for kids to have an online fight. If somebody is being a total dickhead then report him/her.
Further arguments are just gonna make you guys look immature and pathetic.
Of course immature arguments aren't going to go anywhere. But calling someone a dumbass when they are one, shouldn't get an infraction. This isn't a kiddie site, mods clean up spam, and excessive rage, but general sections should get a little leeway.