If you don't understand their methodology, you probably shouldn't be attempting to critique it.
There's an implicit assumption in your comment that the methodology is good, and that anyone who criticises it must be unable to see that. Have you ever read the story "The Emperor's New Clothes"?
There's an implicit assumption in your comment that the methodology is good, and that anyone who criticises it must be unable to see that. Have you ever read the story "The Emperor's New Clothes"?