Who preserves historical artwork? Who makes sure it is available for all to enjoy?
I think governments and nonprofits (like museums) need to consider that archival of an interactive artwork means allowing it to continue being accessible and interactive. That’d be the real preservation.
Laws that say if you create something like this and it reaches some metric, then you are required to turn over all resources regarding it to open source public consumption once you are done actively maintaining it.
Art restoration is actually sort of similar to cracking games. (A difference being those games are still protected by copyright so it’s technically illegal.)
Going by US laws (life + 70 years), all of Picasso’s art is all still copyright protected in the US until 2043, so it’s even less of a difference than you may realize.
I don’t know where the line is because with art restoration you’re actually modifying a physical object. I guess a better comparison would be modifying an arcade cabinet or something.