Okay, so I found this which shows you have a point BUT this article still states that it is not BMI that is the problem, but overfeeding to get size without proper nutrition and training. I have yet to find anyone who thinks that BMI is reliable in athletes of any kind.

https://www.gssiweb.org/sports-science-exchange/article/sse-145-football-player-body-composition-importance-of-monitoring-for-performance-and-health