I am not a HIFI/TV aficionado, but the ACR [1] thing was new to me.

I hope it is not yet important for me as I never allowed a TV access to my LAN/WLAN. But with smart devices using accessible open WLANs to transmit who knows.

[1] https://arxiv.org/abs/2409.06203 / https://arxiv.org/pdf/2409.06203