There should be no abuse - sexual or otherwise - in tech communities. Please call it out whenever you see it, in a polite but firm manner, and don't be afraid or intimidated by it. The vast majority of people will support you, and it's important to do so not only for your own protection but for others that might not be so willing or able to do the same. That said, something about the tone of this blog post is utterly…
It just sounds like "Just say no to rockstars!". Yes, it goes deeper, and outlines why rockstars are a problem, but the 'just say no' message makes me a bit uneasy.