to be fair every OS can and does do telemetry, say nothing about each software application calling back home in a similar way - such feedback helps speed up improvements however linux OS makes explicit notice of this and its simple to disable
There is 0 opt-out telemetry in most (all?) major flavors of Linux. But there's an even more important issue here. Even if there were some form of telemetry in Linux you'd be able to see exactly what it's collecting and where it's sending it since the OS itself is open source. I do not think many people are mostly okayish with purely diagnostic telemetry, but it's not clear exactly what Microsoft is collecting and th…
At least for Debian, at install time it does ask you if you want to participate in the "popularity contest" apt telemetry. But, on the other hand, it's opt-in with the "no" option preselected.