That's a false equivalence. At any point in this, there is little we can do to verify E2EE, but trust a 3rd party. We can trust that they enable it, or as previously proposed we can trust that they are visibly in the meetings and observing. Either way, we have no way to ensure this is true when dealing with 3rd party providers.

Your smart tv recording has nothing to do with this, but one does still need to trust that it isn't happening. In the case of the smart tv we can attempt to look for microphones or other components that are able to be used as microphones. Software offers a more difficult path in verification.