I wondered about that. Are there more programmers or Autocad users? You're probably right; Emacs is free and that counts for a lot.
So I thought at first that the answer was obvious but now I don't anymore.
If you're designing PCBs and chips, sure. For industrial automation design, AutoCAD Electrical is quite alive and well.
https://insights.stackoverflow.com/survey/2018#technology-_-...