if Nintendo is aiming for a 2023 Switch 2 launch, then games would have to start now, but on Switch hardware (unless they have a clear enough idea of the Switch 2 that they can "emulate" it of sorts with off the self hardwareThat's how I see it. Nintendo will want another big game at launch for a hypothetical Switch 2. If that's coming by late 2023 it won't he enough time for a new 3D Zelda since BotW 2 won't release on Switch until 2021. After that that group will move on to the next system. 3D Mario team has a chance though. 3D World and 3D Mario Collection are rumored to come. I could see Nintendo saying that's more than enough 3D Mario for Switch.