Can relate to your frustration Paul, I've experienced the same and it can be very, very annoying.
Tend not to worry so much now, having accepted that there are a fair number of ignorant twats about and that as membership numbers increase, then so do the chances of encountering more of said twats.
On a plus note, there are still plenty of BC'ers who are a pleasure to deal with, the feedback forum being all the proof you need. Go have a look and have your faith re affirmed