Care to back it up I dispute that this is in fact rare.

Edit:I counter with anyone who lifts and play sports and is 5" 10'+ will hit < 25% body fat and a bmi +30. You only need to be 225 pounds and at 6" 1' to be bmi +30 at 5" 10' that's only 210. I saw that fairly regularly (or at least I did precovid) at the gym.