Yours is probably the most likely explanation, but then, why don’t we see feet washing ashore in waterways all over the world? Is there something special about the geography of this area that causes the feet to say, swirl around and eventually wash up, instead of being carried out to sea? Or are the BC’ers just the only people on the planet who think finding a string of floating, detached feet is actually news?
They’ve found feet washed up along the Oregon coast as well (in addition to tons of uninhabited sneakers believed to be deck cargo), but I would think that the configuration of the straits around Vancouver Island would make for some unusual currents. The area’s known as the “Graveyard of the Pacific”.