Yes but autocorrect is on the whole useful, I'm a bit sloppy when I type on glass and it's probably correct a little bit more than it's wrong.

Actually I'm not sure if that's even true anymore. It constantly "corrects" "its" into "it's" (it even did it just now) in situations where "its" is appropriate. It corrected the "on" in "type on glass" earlier to "in". And half of my "A" gets turned into "Å" (it just happened again and I had to go back and fix it). Maybe it has gotten to a point where it's wrong more than it's right.

Auto Incorrect, or for short, AI.

Yes, it's one of the options there. But I'm not doing that, I'm just pressing the A key and it automatically gets transformed to Å once I hit space around 50% of the time.