He is not obfuscating your point. He is questioning is validity.Fine. I changed many to some. Are you happy now? JFC, let's not obfuscate the point I was making. Jesus.
This is a very infuriatingly common practice on ScubaBoard. People make statements about the way diving is done throughout the world based on their tiny experience, experience that might be totally contrary to what others have experienced. The most common thing you see goes like this: "When I was certified, in my class (and therefore in all classes in the world back then) this is what we did, and I just saw a recent class in which things were different (and that class must represent all classes in the world today).