Thank you for your considered answer Rammy, but I see nothing in there to alter the way we are playing the game but let's see how the new rules go, and yes the preventative measures and testing is very good.
As for your "watch on you tube" and relating the game 30/40 years ago, I have been one of the champions on this site for suggesting that we revert back to 5 yards and reduce interchanges to a maximum of 4, that will eliminate the 10min behemoths (that didn't go down very well) in favour of lighter players with a better aerobic capacity, it will eliminate the number of drives we see in every set, attacking lines will be deeper encouraging passing, and the play makers will be able to play as the game goes on and fatigue plays a factor instead of the incessant fresh men being brought on to target them. With you all the way on that one.
Whilst it is not good that any player suffers head/brain injuries, it will always be a condition of the game we play/watch and a possibility however remote that may be that it could happen. You will most probably chastise me for saying the following, but everyone who plays this game realises and knows the risks involved, if they play amateur or ood enough and decide on taking up a professional career, some do it soley for the love of the sport, others for reward, and like you say when you get behind the wheel of a car that crash which could happen is not in the slightest in your mind it will happen to you.
I will read your links, thanks.