Moral of the story, anything which contains a programmable computer and some non-volatile storage it can potentially be infected.
They're probably onto a successful business model here - likely victims may not value their data, but they certainly value their big shiny TV.
If the software found its way into LG's app store then they absolutely should fix the TV for free. But even if it came from a 3rd party source they should still offer a method of resetting it back to its factory state.
Conspiracy theory time: Is this LG's way of 'encouraging' people to upgrade? Refresh cycles are getting longer and it's hitting the industry hard. But if this happened to you, would it make you more likely to buy another LG? On the other had, if the entire industry was part of the conspiracy... :eek::bigsmile: