Originally Posted by Anonymous
Give it up… you’re arguing about something you have no knowledge of

Different poster but basketball has been moving more and more to class based. Here is the most recent AAU nationals with both age and class based divisions.
https://aauboysbasketball.org/page.php?page_id=105579&pv=1

Football has also moved to a combination of age and weight based divisions for years now. Older but lighter players play "down."