I'm a frequent traveller and former Vancouver resident. Hands down worst border crossing everywhere along the BC/WA border. I have talked to many with similar experiences.

Until pot was legalised in WA the border officers were on a mad hunt to find weed on every person crossing. They would do so under the guise of accusing you of going to work illegally and any number of other things.

Then after WA legalised BC decided that they would step up their own reefer madness campaign to keep the WA weed out. As if BC needs to import it, but I digress. They even went as far as staging a "COPS"-style programme on television to showcase all the vagrants they catch. It was eventually cancelled, but not before exposing the world to all of the security theatre of the BC border crossing.

The irony of it all is that weed is everywhere in Canada and the US and the BC/WA border is just a shitshow of angry assholes on both sides. It is very unfortunate for the tourism industry on both sides.