1. Yes, but we have more than enough clues and rumors and copyright patent stuff about it that something to some degree will be real, unless they really scrapped everything about that besides the joycon connection. But that would surprise me. It would be so fitting if it won't be "just" a Switch 2 but rather something with a stupid name and a gimmick.
I know on what I would put my money on if I had to bet.
2. Basically 1.
3. You basically also could with the Wii U but here we are.
This is funny to me. People say this as a defense for decades. And yet, I still have to see a single one that doesn't look like shit. Especially in the handheld sector.
People said this over and over again about the first Steam Deck, then it came out and, surprise surprise, the screen was dogshit. LCD bleeding, colorless dogshit.
I have both Steam Decks still here and my god what a difference.
And like I said, people said the exact same thing as you right now before the Deck came out.
Sure not every OLED is perfect, but oh boy was the Switch OLED an absolute bombshell. Probably still the most high end high tech looking thing Nintendo ever released.