> Ever see those studies that show that the most vocal person in a meeting is considered the most knowledgeable by the group (even if they're the least knowledgeable)? Yeah - software development has this to the extreme.

I think this happens a lot online too. It's super easy now to become an 'expert' on a particular technology just by writing a few blog posts about it, tweeting a bunch, or self-publishing a quick ebook. I suspect a lot of people feel like they aren't 'expert' enough to do these things despite them being done by relatively inexperienced people all the time.