>In an age where AI can search vast amounts of data having something in your home or workplace turning what it hears into text looks like a problem waiting to happen.

That's understating the problem. With or without AI, this should be cause enough to shut down a company or at least their specific product division.

>E.g. As soon as someone proves LG, Samsung, etc. recorded and stored credit card details and knowingly have weak security this is going to be a massive business liability.

They're going to be fine. A slap on the wrist at best.