Yes, the trouble with archiving is knowing what will be important in the future, rather than just popular now. We saved a lot of games from the 80’s through 2000’s through piracy, because they were popular to pass around, but we lost a most of the early web because no one thought it would disappear until the internet archive came along.
The author of archive box makes a very strong case for the need for both decentralized and centralized archives like the internet archive: https://podcasts.apple.com/ca/podcast/the-changelog-software-development-open-source/id341623264?i=1000678444105
Let’s not get ahead of ourselves, until there is any actual examples of Canada banning images. Even in this case, it’s a loss of public funding rather than blocking. The internet archive is mostly privately funded.