> CoPilot changes the kind of work the engineer has to do, from authoring to editing, but the amount of work is not reduced.

Disagree based on my own experience using CoPilot, but it would be interesting to think about ways to fairly test this.

> Reweighting these potential choices with the most likely given the current context and showing only the most likely is a solvable AI problem.

Not sure about other editors, but for JetBrains IDEs at least this has been a thing for a while: https://www.jetbrains.com/idea/guide/tips/enable-ml-code-com...