I don't question your credentials. I question your claims.
Do radio shack make clones of Sennheiser, or are the all made by the same company? You've said both.
Can people hear volume changes of less than 3db. According to you they can't but then it changed to 'the average person'.
Is a beta 52 really THE SAME mic as a 57? I didn't touch that, but I'd be surprised. Even if it's based around the same capsule, it's irrelevant info. They aren't going to be interchangeable due to the design. That's the point; That's why they have different names.
Are celerons defective pentiums? There's a truth in that if Johnny's right, but it's misleading.
That's just today.