CNN: 2,000 players unify in suing NFL over head injuries

I think the issue is not that football is dangerous, but that the league withheld information from players regarding just how dangerous, robbing them of being able to make a more informed decision. It's quite possible that the players would have played anyway, but I don't think the NFL wanted to risk having players play with less intensity and more caution or to lose stars that make the league boat-loads of cash.