Of course, Mr. Breton.
To answer your question, my first observation is that democratic countries around the world refrain from regulating Internet content because they know it presents a risk to democracy and the free flow of ideas.
We object to the Quebec government's decision to ban certain Internet game sites and make them illegal, forcing Internet service providers to block access. This approach poses a problem. For each case that arises, there are good reasons for such a decision. However, if the decision is applied to case after case, censorship eventually becomes an issue. Countries therefore refrain from getting involved.
That said, to answer your question directly, I don't think anything would prevent Canada, when establishing a normal tax structure and collecting taxes such as the GST and QST on goods and services, from implementing something legitimately. It would be a good first step.
Afterward, if the government says that players wishing to use its space must contribute to Canadian content production, it would be another step. However, I think the first step is taxation. The government must have taxation powers, as it does for any other good or service provider in the country, regardless of the good or service sold.