It is sad that consoles much newer than the PS2 will be very hard to preserve. On the other hand, I feel that the classic video game era ended by the 2010s or so. So maybe there won’t be that much interest in preserving the newer games, partly because they had so much DRM, required online play, and such, such that they’re harder to preserve.

This may seem a little bit arbitrary, but this is not uncommon throughout history. For example, in a normal English literature class, you’re going to be assigned Shakespeare. You will be assigned a bunch of novels from the 19th century, but not very much in between. Yeah, sure, there are a few works, probably, from the 1600s and 1700s, but not many compared to those other ones that I mentioned.

Video games might be the same way, where the games that were made from the NES to around 2010 are the ones that people care about far into the future.

Games from the 2010s are still "new". There are several major game series where the most current entry came from the 2010s. Think Skyrim & GTA5.

Game companies still have the source code an tooling sitting around. With some minor texture brushups, they can release a "remastered" version and get $20 out of people again.

Nintendo games are the odd ones here, because their love of novel gameplay means that a lot of first party games need to run on OG hardware for the full experience. Think Wii, DS/3DS.