Source: my uncle who works at Nintendo
It's fake, we al know that Nintendo loves using the lowest possible amount of RAM that they can get away with.
You've never heard of 4chan archives? You can view the thread in full with all the comments, google the thread number (631585265)
You don't go from announcement to launch in the same calendar year, that's the biggest clue this is all fake.
In order to make a late 2023 launch, they would have had to announce it last year, and be showing games this year and that's not happening.