Neither? I'm surprised nobody has said it yet. I turned off AI autocomplete, and sometimes use the chat to debug or generate simple code but only when I prompt it to. Continuous autocomplete is just annoying and slows me down.
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Went back to VSCode with a tuned down Copilot and use the chat or inline prompt for generating specific bits of code.
All that to say that the base of your argument is still correct: AI really isn't saving all that much time since everyone has to proof-read it so much in order to not increase the number of PR bugs from using it in the first place.