Using a known flawed BMI as a measuring stick just shows that the study wanted to justify a pre-conceived outcome.
“Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”
― Albert Einstein
Doing the popular thing is not always right. Doing the right thing is not always popular
― Albert Einstein
Doing the popular thing is not always right. Doing the right thing is not always popular