Association fallacy. Just because the forums contain sections abhorrent to you, doesn't mean other sections are just as bad.
Are you suggesting it does not paint something about the general reliability of the community? I think this is silly.
Also, 3 of 17 is hardly half.
Sure it is, modulo hyperbole :-)
Yes. I'm saying that those forums are quite large, and people who post in one section are unlikely to post in other sections. We can rely on, say, people in tech section to know tech.
Here's our place to discuss Less Wrong topics that have not appeared in recent posts. Have fun building smaller brains inside of your brains (or not, as you please).