Until things go back to the times where people took, and where held to the responsibilities that come with their own actions things will continue to change.
With players, playing the injury card like a smoker who complains he didn't know cigarettes gave you cancer, I can only see the game getting less and less physical, and more and more like an over-hyped passing skeleton competition.
I understand the want to make the game safer, but there is a point to where the realization that the players, the organizations, and the league must realize they are playing a football. It is a physical sport, and no body is holding guns to these players' collective heads and forcing them out onto the field. They have known the risks of injury since they started playing in pop Warner.
If you are scared of getting hurt, then don't go on the field.