While I can admire the sarcasm in your review PERSONALLY, I also PERSONALLY like that response a lot better.
As I said, anyone can cut and paste an advertisement that makes grand claims and most don’t live up to it.
Saying "I have dove with friends that use this product and claim that it works great" goes a whole lot farther than just a generic response like the one you first supplied.
Personally, I drink about a gallon of water every day, have water and gatorade waiting for me after every dive in a small cooler and have never had a problem that a quick pull the regulator out and swish couldn’t solve mid dive. :-)