I looked into this last year while researching TVs and couldn’t find anything to substantiate it.
Probably. The LG TV I have doesn't have cellular, but does have a removeable Wifi/Bluetooth module [1]. You have to disconnect a ribbon, unscrew the module and then pop it out.
[1] https://www.manualslib.com/manual/3140596/Lg-Oled83g3-Series...
This seems a little like worrying about getting Dodo poisoning.
I have family who get frustrated with their home Wi-fi and about every other year conclude the solution is to unsecure the connection.