Marc
I agree with you wholeheartedly. Its just that sometimes they have been taught certain things and are totally unwilling to accept that things may actually be different. Im sure that every one of those guys in that forum are great in person.. and meeting face to face with some drawings as well as a discussion would help greatly.
Safety is the main point and I think it is very hard to explain some things using forums like these. Its even harder when the persons reading the posts are untrained individuals.