I believe this has to do largely with Japanese game development culture. Japanese developers in general are known for rarely, if ever, updating their games. For example, the game Nier: Automata released with game-breaking bugs, and never got a single patch. Nintendo also doesn't patch their games often, but they have a stronger commitment to releasing things in a good state in the first place. Shigeru Miyamoto famously said, "A delayed game is eventually good, but a rushed game is forever bad."