Do you have the actual 4chan link for this post ?
No, I don't. I got the screenshot of the leak from Pokemon Leak compiler Centro Leaks over on twitter. He didn't post the link with it, maybe it was deleted. He said he verified that the 4chan leak was posted before the Pokemon Presents.
GIANT NEW LEAK— Centro LEAKS (@CentroLeaks) February 27, 2023
A 4chan leak that correctly predicted everything revealed today claims that new Nintendo Switch models will be released this year along the second part and the game will have graphical enhancements for it.
We have verified this leak is real. pic.twitter.com/oWbnK9N176