The goalposts for rugby league have not shifted.
The laws have always been in place to penalise players for head contact, but the reality is discretion is no longer an acceptable approach to a problem that sports all over the world are confronting.
Rugby league is not the only code trying to strike the balance between protecting their core asset - the players - and the fabric of their sport.
Like any change, there is going to be a period of familiarisation and misunderstanding. In rugby league, there will even be the odd brain explosion.