Nintendo is sitting on an embarrassment of riches, the greatest 1st-party backlog of all-time. Imagine NES, GB, SNES, N64, GBC, GBA, GCN, and Wii games. That's not even mentioning competitor's platforms like MS, GEN/MD, GG, SAT, DC, TG-16, Neo Geo, etc.
Nintendo clearly has some kind of plan to ring some money out of legacy titles, because I don't know why they wouldn't.
Lifetime Sales Predictions
Switch: 151 million (was 73, then 96, then 113 million, then 125 million, then 144 million)
PS5: 115 million (was 105 million) Xbox Series S/X: 57 million (was 60 million, then 67 million)
PS4: 120 mil (was 100 then 130 million, then 122 million) Xbox One: 51 mil (was 50 then 55 mil)
3DS: 75.5 mil (was 73, then 77 million)
"Let go your earthly tether, enter the void, empty and become wind." - Guru Laghima