I don't know why people have such defensive positions on this like people are attacking football. More research needs to be done, but at the end of the day people still have choices. I wouldn't knock people who still play, nor would I knock those who are pushed away by the danger.
My personal opinion is that this will in fact lead to less people playing football growing up, but I doubt very much that the game as a whole would be in trouble or lose popularity. There will still be plenty of talent who find the benefits exceeding the negatives.