The hit was a violent assault. The player Tab, was looking the other way. For a coach to say he was partly at fault just shows that the coaches need to be charged with responsibility for these injuries too. If Canada will not do something about this kind of behavior, send a note to Congress.
Here is an example of football doing the same kind of behavior. Listen to the coach's encouragement as the boys run at each other.
http://ow.ly/12CS7
Fortunately, there has been so much media attention to concussions in sports over the past few months, that we are approaching the critical mass needed to get the public to stand up and say, "No more brain injuries under the guise of 'sports.' "
The old saying "I went to see the fights and a hockey game broke out." is not a laughing matter.