I'll be happy to. If we, as gamers, happen to be less sexist, or as sexist, then the average person then we don't really have a problem with sexism in gaming. We have a problem with sexism in society. On the other hand if we do happen to be more sexist thensociety at large then I would agree that we do have a problem with sexsm in gaming.
I just happen to think that demonizing a group that would be better then the rest is a good way to antagonize them as well a push them away from you cause.
About affirmative action. You are wrong. I'm sorry but you are. As I said before, there are affirmative action in place in the STEM fields. There is also a study that shows that women are favored for a job in STEM's when compared to a man with the same qualifications.
Gringos and Cracker do exist as derogatory terms
Look up #killallmen
no need for laws it's already fine to hate white men.
And as for the last one... Look up Tim hunt, dunglegate, shirtgate, etc.