Then I think blitz and bullet can be seen as low-quality chess?
"Blitz and Bullet are not chess."

Then I think blitz and bullet can be seen as low-quality chess?
not low-quality, lower-quality

did you even read the first post-

"[Blitz] is just getting positions where you can move fast. I mean, it's not chess." — Hikaru Nakamura[94]
I'm just going to say that neither of them is good for your classical chess, which is the one that really counts. I still don't have anything against blitz, unless it's 3 minutes, then it's a bit iffy, but personally I don't think of bullet as "true chess". Sure at the highest level they can play pretty well, but it's still way too reliant on time, and I feel like it sucks all the beauty out of chess.

@llama47
Hah i bet you don't know how it feels to play 15 second ultrabullet chess. I play that and the goal is like antichess, you hang everything to give checks, block premoves and try mates that normally could be avoided by player of he could ACTUALLY think. The endgame is about premoving the king to capture pawns and also premove your pawns and don't stop moving. Every tenth of a second is important there. Here is a video made by a funny chess youtuber which title is "Ultrabullet is not real chess" Where he shows Andrew Tang playing I N S A N E chess.
Here is link i almost forget to put of the video: https://www.youtube.com/watch?v=bDT6lZxbXSE
blitz and bullet are, of course, chess, but if you want to improve, they aren't to good
true