In addition to the other posts, you also don't know it's really 0.1%. Users may have disabled telemetry - and often, those are specifically the power users that

In addition to the other posts, you also don't know it's really 0.1%. Users may have disabled telemetry - and often, those are specifically the power users that are making the most use of customisation. > but takes up 5% of the real estate How would you even manage to do that? Menus are a thing. A setting might as well be hidden in a dialog somewhere if it's reasonably clear how do get to it (e.g. through a well thought-out menu or dialog structure). Not everything has to be explained through random popup messages that show up at the worst possible time.