As a society we haven’t evolved past football as a sport, but we have evolved past celebrating serious brain injuries caused by the most brutal tackles.
CTE, which is thought to be caused by concussions, [is a serious illness](https://www.alz.org/alzheimers-dementia/what-is-dementia/related_conditions/chronic-traumatic-encephalopathy-(cte) that has caused tremendous problems for former players and their families.
Since 1996 when Jerry Maguire came out, sports in general and football in particular have been heavily re-examined by doctors, scientists, and society.
Watching a football player get knocked out with a brutal tackle is no longer something that a huge group of people – including some football fans – want to celebrate anymore.