He destroyed his mind and got paid well for it. There are many dangerous jobs out there and usually the pay reflects it. The player union and company needs to invest in solutions. If there are none apparent it might cost less to up salaries then invest in R and D. The owners dont want players to get long term damage. Mining orgs dont want miners to get black lung.

Tech solutions are a great place for this but its not a moral issue. He chose to play pro football. Its not footballs fault. And not every player gets brain damage so lets hear some numbers on that. What was this guys diet? Some people get brain damage that dont play football.