Men in my country at least are just generally more interested in tech. A big population of males who are interested in tech will naturally lead to a heavily weighted male populous of proficient tech people. I don't get why this is sexist it's just fact. I don't see much that needs to be fixed.

If there is discrimination in the hiring process though, yes that needs to be addressed. However that's not the angle the article is taking.

Hiring a woman because you don't have many women in the work place isn't optimal.