BMI was developed by the insurance industry as a measure of risk. Higher BMI means higher likelihood of adverse health events. Itās a large count, statistical measure. For the broader population itās by definition telling them itās not healthy to be heavy.
Hereās the newer measures being developed (lancet link) for anyone interested:
https://www.thelancet.com/infographics-do/clinical-obesity-25
Hereās an article from AP, they seem to think the misclassification shuffle will about equal out: skinny-fat and athletic-yet-heavy trading places in the obese category.
New recommendations on how to define obesity would reduce the emphasis on body mass index and also take into account health problems from extra weight and other measurements.
apnews.com
Maybe youāre an exception. But itās not common and more than a few people think theyāre an exception to BMI. Body fat is a better measure.