That's a fine argument if you're watching videos on those platforms, but ACR also phones home when you're watching local content, too. Your Jellyfin server, Blurays, video games, content from your computer, it all goes back to the mothership.

your internet connected videogames on consoles report telemetry

you are running jellyfin on a device, like a NAS. it reports telemetry. docker reports telemetry. you download jellyfin, microsoft gets the telemetry. you update jellyfin, it gets the telemetry. you download radarr, docker and microsoft get the telemetry... all of this stuff reports telemetry. github, you can see your own repositories' usage and telemetry! graphs/traffic. it's all there...

Did I consent someplace to having my TV tell its manufacturer that I am using an Amazon fire stick? No? Then it's wrong for my TV to send that info out.