All true. Perhaps I didn't make that clear enough. There is valuable information here (and at Cruisersforum). My thinking is that the best information, however, is often missing. That's because in at least the sense of cruising, the doing replaces the talking, meaning the people with the most experience are not always (or often) the ones participating in the forums.
There may be people with more knowledge or background, or experience, but it's a pretty rarified field.
Ben Hall - spars and rigging
Steve Dashew - all things cruising
Peter Johnson - owned Gunboat Catamarans
Brion Toss - master rigger
Bob Perry - Yacht Designer
All five of those are or have been active on one forum or another. I could add more names, but name the five people in the world in their specialty that you would trust more than their answers? The wealth of knowledge combined on many sailing forums is incredible, not to mention the vast treasure trove of knowledge contained by the 'average' member.
Sure sometimes you get conflicting information, sometimes there is a lot of old wives tales that are just part of the lexicon, but there is a lot more good information.