The tragedy of Adam Johnson has shocked the entire hockey world, and slowly, we are witnessing several significant changes in the habits of hockey players.
As Jeremy Filosa points out, once again, as a good leader, Gallagher is setting an example, and it will likely influence young players to do the same.
In my humble opinion, I don't understand why all players don't do it, especially since this additional protection is not very intrusive. Thanks to technological advancements, it's much more comfortable than wearing a neck guard used to be.