If you want to have that discussion, feel free to find the people who think the existence of 1 (one) male character indicates sexism, like the GP described, and

If you want to have that discussion, feel free to find the people who think the existence of 1 (one) male character indicates sexism, like the GP described, and discuss it with them. Tbh it sounds more like you want to use the GP's hyperbole as a wedge to open up a (ugh) "culture war" debate and frankly I'm not interested.