Microsoft needed Game Pass because they were losing. Them and Sony always do the same thing but Playstation is way more popular. Without Game Pass Xbox would only get less relevant over time.
Nintendo doesn't need that. They have their retro game subscription and the best lineup of exclusive games in the business. They don't need Game Pass. Nintendo just needs to keep building out their retro games subscription, hopefully occasionally add new free games like Tetris 99 and Pacman 99, and keep doing what they are great at.