There haven't been any mind-blowing awesome gems of answers in there that have caught my eye - mostly pretty mundane things, content-wise, and as a programmer looking for an interesting community, I don't really get that vibe from it much at all.
To me it just seems like a place for kids to go and get their homework done for them by lonely strung out alpha dogs looking to place some authority in the world.
For me, sites like this will never replace the good ol' USENET groups and subsidiary mailing lists. Once again (as is the case with Twitter), a web site springs up to try to capture an audience from the pool of people who are just not competent enough with E-mail to manage it properly and exploit the results ..
Are there allot of simple questions? Yes because there are many people just learning how to do basic things in one language or another. However even in the most basic question answering it can be an worthwhile experience. You can filter out the simple questions and get on to the more advance ones pretty easy.