Apparently, smart TVs could cost more than they do. They are, currently, cheaper because they fink on you.
At the moment, you don't seem to have much choice in the matter. There are, in some cases, possible settings that you might change, but it's not too clear how much you can shut off the data tap.
Other posts: https://community.isc2.org/t5/forums/recentpostspage/user-id/1324864413
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