"Mudcat can certainly get on everyone's nerve from time to time, we all get upset with it ... On the flip side there are good, honest and decent people who are very knowledgeable."

Well those same "good, honest and decent people who are very knowledgeable" can indeed be fixed in their views at times, but for me their generosity in sharing their experience and knowledge far outweighs the same conservatism that can accompany a lifetime of work and involvement in any field.