How do you know sexism is a particular problem in the tech world? Unequal representation of some particular demographic group is not sufficient evidence for discrimination.
Actually, like I said, I didn't even read the rest... so it wasn't an assessment on the article at all. It was an assessment of the author.
But here's a job tip: Don't talk about women like this. If you get a job, you will actually have to work with some. Also this level of immaturity will make your job search that much harder.