Why do Sony new TVs say “google tv”? You can’t use them offline for privacy?

I have an older Sony Bravia tv that’s branded “smart” but is connected only to cable, not internet. If I want to stream something, I plug in chromecast, then remove it when the show is finished.

I need a new tv but have no desire for Google to track me. Can these tvs be used without an internet connection?

edit: I just read a review on the tv I was considering that the remote had no channel numbers, it was …

cable channel chromecast google internet numbers privacy remove review smart sony stream tvs voice