Unfortunately, I suspect the result of the incident you posted has more to do with political timing and the rcmp's complete and utter self destruction of their trust and respect. That being said, it is a precedent.
I wouldn't want Mr. Thomson's legal bill, nor the coming legal bills of the collector's who have been targeted and charged with trumped up charges which will, no doubt be thrown out years and tens of thousands of dollars later.
Until we have actual property rights and the gov't recognizes the inarguable right to defense of person nothing will really change, only the window dressing; as sufficient to quiet the sleeping masses like a frog in a pot of water, the temp. slowly being raised.
Meanwhile, more laws are passed everyday. Every single one of them destroying our rights, our freedoms.
In other news: Police seized a Savage 30.06 rifle, a Remington Super X 3 semi-automatic 12-gauge shotgun and a .410-calibre single-shot shotgun during the execution of a search warrant at a home near Neilson and Sewells roads on Dec. 3.
“These are very high powerful military-style (weapons) that would do a lot of harm to a lot of people,” Staff Insp. Peter Yuen of 54 Division said.
Don't think they want your hunting rilfe? You'd be mistaken.
In the above example the person was indeed a criminal; the disturbing part being common hunting guns described as they were.