I found this too vague and technical at the same time (and I’m an MD). He also sounded anxious.
Needed more examples rather than biological theory.
Starting with a question which couldn’t t be answered was a bit weird. At least find an athlete you do have all the data for (there are lots of us).
GLPs also needed a mention, some athletes have BMI>35.
Final please, can you always convert to Kg in weight discussions please.