six high school seniors wear tshirts spelling out "RAPE?"

[Oktober]

42. Just to be clear...

Since you have no reason to assume that these teenagers are part of "gamer culture" other than the fact that they are young and male, a faulty assumption in addition to your others, let's look at the logical implications of that statement.

That would require that every other source of misogyny/violence/dark humor (pretty much anywhere that a rape joke can come from) in the world that existed up until the recent advent of "gamer culture" has been removed from society.

You should congratulate yourself, that's something like a 99.99999999999% solution. Since it obviously couldn't be anything else.

Secondly, the people you were hanging out with that you judged are either a) normal people and you are overly sensitive or b) assholes that can be found within any significant number of humans.

I've known many gamers and indeed some were assholes. That is because they were assholes in their off time as well and was unrelated to their Mario Cart adventures.

As with most folks that make wild assumptions and broad brush accusations, it says more about you and not a whole lot about them.