For me, that auto-complete is useful about a third of the time, and the rest of the time it's like having someone hovering over your shoulder saying "Did you me

For me, that auto-complete is useful about a third of the time, and the rest of the time it's like having someone hovering over your shoulder saying "Did you mean ...?" every few keystrokes. If a person did that to me I'd tell them to shut up for a second and wait, and they'll see what I mean as soon as I finish typing it.