Call of Duty is terrible for this. No matter which CoD, there are four types of guys:
Guys who are completely chill and cool, who you generally end up partying up with often.
Guys who'll hit on you immediately and not stop until they're muted.
Guys who think it's hilarious to call you a fat dyke with 50 kids (which.. makes sense? O.o) note: these are typically between the age of 12 and 16.
And guys who don't have mics.