You may be able to root the LG TV and use https://github.com/webosbrew/youtube-webos, which supports ad blocking and sponsorblock. Or you could install it with developer mode, but developer mode has a limited session time.

I ran a Minecraft server on termux and (IIRC) AnLinux once. It worked surprisingly well.

If I am remembering correctly, Australia also has laws that allow the government to force private companies to build backdoors. I think it was the Ass Access Act.