Mr. Burke is never one to mince words, and he has a unique offshoot of the Randy Jones hit on Patrice Bergeron, as reported by Kevin Allen of USA Today here.
Burke is saying that one way to prevent against the kind of legal, but potentially dangerous hit that Jones laid on Bergeron, AS WELL as reduce the impact of players turning their back into the hit (something that I still don't think Bergeron did on that play, but readily acknowledge happens all-too frequently) and ending up compounding the potential for harm from an otherwise-legit hockey play without malicious intent is to allow defensemen to go back to being allowed to place their hands on/around the player they're trying to check/control.
Rules changed after the lockout created a penalty situation when a defenseman takes his hands off his stick and places them on their opponent. This was an attempt to reduce the clutch and grab type of play that was thought to be clogging up the game to quadruple bypass levels.
I think Burke has an interesting point, and a potentially legitimate workaround.
My first reaction, though, is "where do you draw the line" and "do you really want to put more gray area into the refs' job"? Obstruction is such a subjective call, and NHL refs have a hard enough job as it is. The good thing about the way the rule is now is that, theoretically, as soon as the defender takes his hands off his stick and places them on the opposing player it's a penalty. Doesn't always get called like that, but that's the rule nonetheless.
If Burke's rule was graven on stone tablets and brought to fruition, at what point does it become obstruction? When the opposing player tries to move away from the exact spot that the hit was made? Within one stick length of that spot?
Hard to say, and I'm glad I don't have to try to quantify this.
But it's an interesting point, nonetheless - and anything that we can do to reduce these awful images of a player going head-first into the boards and lying unconscious on the ice is good.