I used it for songs that weren’t on Tidal when I transferred playlists from Spotify. I found quite afew that I liked that Tidal didn’t have. Now that that’s gone I’ve moved to Deezer and am filling out my Plex server separately.

I don’t know what kinds of packets WiFi calling sends, but I would assume a public IP would be in there somewhere and, at least from a law enforcement perspective I can’t imagine it would be too hard to get the address tied to it.

Sceptre has Non smart TVs. May be the only ones left to be honest