I was thinking about this last night on my ride home in fact. I was thinking that
The site doesn't show an error 70% of the time
The quality of many of the answers seem to be improving overall. It seems like people take more time in what they write. Maybe all the attacks on poor code being posted as answers combined with the general raise in clue level of the PerlMonks community (well, the regulars at least) has actually begun to make this a viable resource. Kudos to all of us.