Your problem is one of overfiltering though. How many times have you googled an obscure error, to find no answers? And then after some time... you solve it, a

Your problem is one of overfiltering though. How many times have you googled an obscure error, to find no answers? And then after some time... you solve it, and want to add a comment or make it easier for the next lost soul...and its non trivial. I would argue for a large amount of problems that are interesting to people doing practical things, you want to allow drop ins to your community. How you keep the riff raff out is then unsolvable.