Why are there so many unanswered/incorrectly answered questions marked as solved and archived??

It's incredibly frustrating to have a question, see that 100 other people have already asked it, and open "Answered" thread to find there aren't any answers. It's even more infuriating when I see that someone has incorrectly answered the question and I can't provide a correct answer because the thread is archived. How about we worry less about cleaning up the threads and worry more about getting accurate information on them?