Signed up last week; already got an answer; a useful one, which highly surprised me.
Still, the initially ubiquitous complexity of the whole site (indeed, the community of communities thing) presents a barrier to assimilating the info in a way that produces useful understanding.
Maybe such barriers are good things; yes, the barriers are a good idea. (They greatly thwart the spambots, if nothing else.) In the mean time, the person who just signed up wants to get an answer, and will probably want to get more involved. I know I did, within a week. You tend to get more than you give; well, up to a point.
So then, this place is astounding. Where have I been? Where do I click to learn how to navigate this place to really increase the brain cell count? I want to start five years ago.