Here are LG's contract terms for appliances.[1] They are awful. Not only can they listen in. You have a contractual requirement to tell everyone in range of an appliance that they may be eavesdropped upon. CONSENT REQUIREMENT: You acknowledge and agree that it is your sole responsibility to obtain all necessary consents from any third parties whose voices may be captured by the Product and to notify household members…
I'm guessing this is an oversight and the TV does record, but then this is criminal. But, nobody will bother to prosecute them I guess...