Exactly. Consider being an employer and having two candidates to hire. Both candidates posess an equal amount of skill, the only difference is their gender. Now you have two options: you can hire a woman and risk that she will complain about "toxic work environment" and "sexism in the industry" while tying your company name to these accusations... or you can hire a man and not worry about that at all. Why wouldn't you go for the second option? Not only you will get the same result when it comes to work, you'll also avoid the situation described in the article.

I'm not from/in the US. PC is about respecting people, I don't think we are really in danger of too much respect. The only bad rap PC gets is when people only pay it lip service. but at its core, it's about respect