Canada has always accepted immigrants. Rapidly increasing the number of foreign students to goose the slumping post-secondary education sector did not work out great. Even with the reductions, there are always immigrants coming into Canada.
"California’s top foreign refinery supplier of gasoline and blendstocks this decade is Reliance Industries Ltd.’s Jamnagar refinery complex in western India. "
"More than 9 million barrels arrived via this loophole in 2025"
Now, that's a tiny fraction of the 320M barrels of gas used in CA annually, but anything that affects global oil shipments will be felt in California.