No, it's just the most full of self-indulgent, pompous brand clingers that tout that they know what they're talking about. Each of the CA forums has a handful of truly knowledgeable people, and a mass collection of people that regurgitate the "smartest" sounding thing they've heard about any topic. Car Audio has always been a "parrot" topic, with everyone mocking the last thing they heard like it's stamped in the CA Bible.
If you want to learn something, typically find the guy quiet in the corner smiling to himself. Go ask questions and when you get the answers, put them through a common sense, then practical application test to verify their merit. Only once you know how and why it is true, do you begin passing it on to others.