>>38868551Nostalgia is obviously part of it, but I think a big part is also that they find the content, amount of Pokémon and number of game mechanics overwhelming. They most likely stopped playing for a couple of generations and when they came back, there were so many changes that they couldn't recognise it, while people who followed the series all the way through are used to all of the current game mechanics.
I love the newer games and think Red & Blue aged like milk, but there is a reason that Sun & Moon felt like a 30 hour tutorial, it just has so much that it wants to introduce to people, and is oblivious to the fact that most people don't care about it.
