Colin, once you start looking at 1 in 5 threads there as parody, it makes more sense.
I think 20% is too low. It's more like 25%.
OTOH, their are some really decent folks there and.some good info. I don't want ro pan the site. I check it semi regularly. Goodness knows there's enough wacky stuff here too, some of which I'm guilty of participating in.