This makes me want to drink bleach
I'm pretty sure they eventually figured out these were "girl inches" i.e. self reported guesses that were way off, and when women guessed too high, their partner never corrected them. Because we're not THAT dumb.
The idea that about 2/3 are unacceptable and less than 1% are in the Goldilocks (Goldicocks?) zone is comical. But at 11" apparently this forum hangs some serious dong so congrats, and Ts & Ps to your lady's cervix.
Must suck to have to rationalize not getting a lot of return business from customers.