On the face of it, this is a pretty unremarkable answer. It was already very obvious that the mockup was unofficial, though Genki did claim that it was based on an actual Nintendo Switch 2 unit. According to IGN, the company has now backtracked by admitting that it was created with rumors and leaked information rather than anything more concrete.

No one seems to know exactly what Nintendo is waiting for a this point, only mentioning the Switch 2 when they have a new game showcase to clarify

The Nintendo Switch era is drawing to a close, and as its successor looms, companies are beginning to tease their reported affiliations with the mysterious console.