Unfortunately the Smart TV hacking community is not that active.

It is a bit more active than your links seem to indicate, but is not very well organized or easy to find.

Use https://cani.rootmy.tv/ to check recent status of rooting LG TVs models. Many slightly older, 2+ years old TVs are still rootable, due to this exploit from 2024: https://github.com/throwaway96/dejavuln-autoroot

Even worse, IMO, than the high initial price is the fact they charge a subscription to continue to use the cooling cover you already paid an arm and leg for.

Is the man named GOB? in his 897 thousand, five hundred forty five dollar [law]suit! Come on!