This will save you from zombies

You can’t fault the logic. This gun will save from you zombies. Pot will not.

This wise poster comes from very demotivational.com who host a collection of such insight.

Perhaps this is the basis on which all laws should be created. Rather than human rights we simply judge everything by its ability to help you survive a zombie attack. Booze would remain legal only if it is strong enough to use as a flamable. That also seems fair to me.