I saw a larger screen and exclusive titles for the switch 2. As with everything else in gaming I am expecting modest bumps in performance and since this is Nintendo it will sell very well and have Mario and Zelda releases that get 9/10 reviews on all the usual sites.
The gaming industry has been going through these cycles for decades. If you had a previous Nintendo system and still like to play video games, odds are good you’ll end up with one of these sooner or later too.
Probably all people, right? Who decides to buy the thing based on this sneak peek and then when it comes out and has some deal-breaking flaw says “oh no siree, I already made my decision when I saw the trailer months ago and I’m sticking to it no matter what”?
Nintendo's stuff isn't for everybody, but if you do like it... they truly do have a strong 40 year history of doing their thing and getting it mostly right nearly all of the time.
So for many people their default action is "buy the next Nintendo console every 5-10 years, because I would like the play the next 5-10 years of Mario/Zelda/etc games."
It's not unconditional love (Nintendo was in a tough place after the Wii U flop) but realistically, I think a lot of people have decided they're going to get one of these unless there's some big fiasco.