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Switch is honestly closer to Wii/DS in terms of its DNA than it is to Wii U, N64, or Gamecube.
N64 and Gamecube are red ocean consoles, designed to directly fight competing consoles on equal footing for control of the existing pool of players. As for Wii U, that system was a fundamental misunderstanding of why Wii and DS succeeded, driven by the assumption that a novel gimmick was all that was needed, rather than seeing that Wii and DS won their generation by removing barriers to entry for new gamers.
The design philosophy behind the Switch is honestly probably closest to the NES and Gameboy; a rethink of what it means to be a console/handheld that provides a lean, no-frills launchpad for accessible gameplay experiences.
Also, the logic that Ring Fit and Switch Sports succeeded due to the pandemic doesn't water, because their sales continued to hold strong long after the lockdowns ended.
