Yup. People going in on FGC as if other e-sports isn't rife with similar issues...shit, forget about esports, sexism is rife in SPORTS, full stop.
The problem is that you're dealing with an environment that's self-policing with a demographic that skewers overwhelmingly to young male as far as participants and organizers, and still pretty underground so things like this are allowed to fester.
What's funny about her excuse is I find it believable; I can imagine someone told that all the harassment they faced is just par on course for being a member of the boys club, and continuing that abuse along.
As someone who dips my toes in and out, in the past ten years the scene has matured much, but it's got a long way to go. Society in general