I had a similar experience during my first (and so far, only) trip to Vancouver.
The US company I work for bought a Canadian company, and being one of the "network guys," I was sent up there to get their network integrated with ours. At the airport in Vancouver, the Canadian border agent asked why I was in Canada, and I said for business. So he started asking a bunch of questions about the company I worked for (happy to answer them) and the Canadian company we just bought (not a damned clue). Then he started getting pissy and asked why they sent me if I didn't know anything about the company we bought. My answer was that I didn't need to know anything about it, just to get their network integrated into ours. So next he asked me why my company sent me? Doesn't Canada have anyone that could do what needed to be done? I just looked him in the eye and said, "I guess not!" Finally he asked me if I was going to have to come back again, and I answered, "I hope not!"
Mark
When I was returning from the phililippines, they harassed the heck out of me at the Vancouver airport, even though I was a soldier for 10 years with 3 tours. I was a white boy coming home and I got detained and searched for a long time, while my parents were impatiently waiting for me so I could spend 45 mins with them in between my connection flight. They embarrass me, and those are not Canadians. They are jackbooted thugs like anywhere else in the world and in history. Power mongering idiots.