Technically not WordPress. They were purchased by Automattic, which runs WordPress.com.

While Automattic is among the many companies contributing to the WordPress project, neither it nor WordPress.com are affiliated with the software/project or the WordPress Foundation.

Tumblr is owned by Automattic, which runs WordPress.com. Tumblr migrating to WordPress is not a surprise in the slightest.

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.

In my experience using an older android phone for self-hosting, the downside was a lack of ports and I/O. Being stuck with a single USB 2 interface and wifi was less than ideal for my use case.

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.