Taking it to court might help. If it doesn't, maybe the US federal government can intervene.
Like let's be honest here, these companies only make money because of an onerous protection racket that was lobbied for by the likes of the RIAA and MPAA.
Canada is just deciding that they want their cut. That's all it is. There's no good guy here.
As an aside, weakening copyright law sufficiently would strongly accelerate democratic AI because AI thrives on high quality data.
What court? Last time I checked Canada was a sovereign country.
Regardless, this seems to be a form thing.
Also, I am quite sure that the law is a bit more formal than cannot collect unfair taxes (in what case, all taxes collected on me are unfair, but taxes collected on them are fair)