At my local club we have implemented an education program for parents and players. We tell the dangers.I think refs need to risk going "too hard" on head contact, rather than too easy. The long term impacts can be enormous.
That is....three concussions equals the end of your career.
I have noted in the past numerous players with multiple concussions in junior teams. Viewed almost as a badge of honor by some pathetic parents.
One of my sons who was a top grade footballer at school and colts has just recorded his third.
He knows he is out for good and happily accepts this decision. As he said, "I want to be able to dance with my future wife at our wedding"
Listen to this...it will change your thinking (even if it is Peter Fitzsimmons)