Not surprised.
My wife CONVINCED me to buy an LG tv instead of my typical dumb monitor.
Now I get constant ads and a constant nagging of updates available, that will install more ads and spying features...
I have a pihole in front of my LG TV blocking nearly every DNS query it tries. I only allow a couple streaming apps I do use and see zero ads.
LG TV’s are really really good. If you never connect them to the internet. And that rule should be applied to all TV’s. Use an external device like an Apple TV or a self-crafted solution (Roku, Amzn stick, etc all garbage phoning home and listening with Alexa crap)
Treat your TV like a computer monitor (ironic here in this context lol)
Update firmware.
Turn off LIVE PLUS
block internet for the tv from router
Enjoy.
That's what I have been doing for years.