First of all, fuck me the 3ds is 13 years old.
Second of all, now would actually be a great time for other museums to buy 3ds's for virtual tours. It's "old" technology but it seems perfect for this use case and would likely have no noticeable change from using any sort of modern device and would probably cost less.
Third of all, fuck me, a 3ds is still 150-200 dollars a pop what the hell.
It also makes the plot a bit more meta, where the simulation they're all in is simulated using the brains of the people inside it.