Regarding the broader debate that seems to be swirling along the lines of 'should we ban Football or not', I strongly believe we should not.
If parents want to prevent their kids from playing football, great, that's their choice to make. But if they allow them to play, we have to keep in mind that only a very small percentage of players will continue on to play in college, and then only another fraction of those players will continue on to play in the NFL. I'm sure that people who play youth and high school football but stop playing after HS graduation have a much lower incidence rate of CTE than players who continue on to play at the collegiate and professional levels. So for the vast majority of football players CTE isn't much a risk.
Because those who do reach the highest levels of the sport make tremendous amounts of money, as long as they are aware of the risks, they should be able to make the decision for themselves.