I absolutely expect that lots of games are using achievements for telemetry. It would surprise me a little, though, if someone retroactively adding an achievem

I absolutely expect that lots of games are using achievements for telemetry. It would surprise me a little, though, if someone retroactively adding an achievement to an old console game is doing it for telemetry purposes. My original comment was based on reports from some indie game authors talking about their development experiences, and going "ugh, I have to add achievements, fine".