I'm not exactly sure, anymore. I think I've first read about it, some years ago, at the time not using systemd anywhere, personally. IIRC it was about the defa

I'm not exactly sure, anymore. I think I've first read about it, some years ago, at the time not using systemd anywhere, personally. IIRC it was about the default dns servers pointing to cloudflare and google in upstream. So it would rather be the other way around. The upstream default was(is?) privacy unfriendly. What the distros do with this is another matter. Similar stuff arose with timesyncd (ntp), and some other small thing which I can't remember anymore, atm.