Compared to the incredibly cumbersome and almost impossible to navigate labyrinth of California's overregulation, Canada was a virtual cake-walk to get facilities up and running. Because of this, Canada had companies investing Billions (yes, that's billions) in grow facilities. Hence, there was, and still remains, ooverproduction in Canada.
a)) There was no cake-walk.
b)) Overproduction is the result of LPees growing/selling bunk weed.