That is what we did in Europe mainly through GDPR. And we got rewritten software in Chinese cars. Yes it slowed down the rollout of Chinese cars (or at least their advanced features) but the big brands are now nearing feature parity with the domestic models.
Canada could simply demand the European software. And the European models.
Shifting the Overton window. One week at a time. Great that Estonia has systems in place to detect it this early.