It seems to be related to some advertising push from a partner named Alfonso that is gathering information cross-platform anything that appears on your screen and pushing advertising to you during playback.
Hopefully not, but that’s what it looks like from early reading.
My LG CX has been blocked from the network for years, starting from the instant the fucker popped up some notice about some shit that wasn’t relevant to the TV displaying content.
Get that shit airgapped. Use a Steam Deck or an old PC tower or laptop to take over for the builtin stuff.
This. Treat it like a fancy monitor, and run whatever you need on an external device. You can use an old laptop or a newer raspberry pi