Most urban parents have their children play sports like football at a young age because they thinkk that starting them early will help them in the long run and help bring in money. Other parents have their kids play these sports for the enjoyment and to build leadership and team skills not realizing the long-term consequences that comes with it.
There is an ethical issue for coaches and the sports league because they don't care for the health of the player even though they should. All most coaches care about is making sure the player is able to physically play so they can win. If it's the star player that gets hurt the coach will most likely have the player push the injury aside to help the team win even though pushing the injury aside could result in long-time damage. A lot of coaches don't care how hurt a player is as long as they can push through and finish the