That's YOUR opinion. In MY opinion, you're neither familiar enough nor educated enough on the process to understand what you're saying, let alone argue against it. That's MY opinion. If you were, we could have a conversation about it, and you could learn something.
Not all products are created equal, and you don't know about all the products out there. Fuk me, you didn't even know that skin oils and sweat have acids in them- for everyone.