Opt-out telemetry is spyware, regardless of how convenient you might find it to spy on your users without their consent. The only ethical telemetry is opt-in, s

Opt-out telemetry is spyware, regardless of how convenient you might find it to spy on your users without their consent. The only ethical telemetry is opt-in, such as the system Debian uses, where users are given the option to install the "popularity-contest" telemetry package during install, with the default being not installing.