Well they can follow their own path and decide when the gen starts, can't they ?
And today is the launch of Hitman III, the first official game to launch on the PS5 and Series X as well as the Switch on the same day. I think Nintendo will adapt until maybe 2024-2025 and then decides to launch a new console.
And I think Nintendo won't launch a new console before somebody (let's say NVidia) produce a chip which would be nearly as powerful than the Series S (and the Apple M1 showed that in 5 years we can match that in a mobile chip)
"Quagmire, are you the type of guy who takes 'no' for an answer ?"
"My lawyer doesn't allow me to answer that question"
PSN ID: skmblake | Feel free to add me