“It has to be listening and performing speech translations all of the time in order to recognize “Hey Siri”, or “Hey Alexa”.
LOL, so what. The same could be said for your phone and in fact it has been said not to mention smart tv’s. It’s almost impossible to go 2 blocks in any direction in any populated area without being on a camera.
Maybe if you wrap yourself in tinfoil.....?
My TV does not have a microphone or a camera. The same goes for my PC. I turn my cell phone off much of the time.