memes

I’m going to just take a guess: Most people who have a problem with autocorrect type each letter individually by pressing each letter?

Possibly. I'm in that group, for what it's worth.

1. Was unaware that was even a thing. As a long-time touch-typist, doing this never even occurred to me. And I know how to use Palm Pilot Graffiti input, so I'm admittedly embarrassed here.
2. My vocabulary is broader than the auto-complete's dictionary/prediction, so what I want to say isn't even a suggestion more than half of the time. I've struggled with this since iOS 3, and most recently on Android. It's never been very useful for me.

Then there is/was this feature that resizes key hitboxes on the fly, based on prediction. I'm unaware if that's still a thing, but at the time, it absolutely screwed with my thumb-typing muscle-memory in the worst way. Until I learned about this, I was convinced that I was just garbage at hitting the keys, then I started seeing it mis-register keypresses when I looked closely.

From all that I think I see the problem. These systems are compromises for a huge range of different users and communication styles. So it's going to be pretty mid for a lot of folks until (people like me) move to the middle where the software wants people to be. Were it not for the sake of clear, personalized, and expressive communication, I'd be on board with that.