It’s a growing privacy minefield and some guidance here can help out consumers. In addition to which is the recommended setups, some suggested topics include:
Smart TV
Which Smart TVs allow for customizable DNS so that you can reroute traffic through AdGuardHome/pihole
Which OS track the most/least
Specifying unique quirks and reduced functionality per TV OS when used offline
Dumb TV + Streaming Box
Using AOSP vs Android TV box
Are Foreign TV Boxes a privacy nightmare
Is there a privacy-friendly OS that can be flashed to devices? If so, what models/devices/chips are compatible
Therefore, any apps that depend on some kind of device integrity checks passing, will not work on LineageOS, and while there might be some ways to bypass these checks, we neither support nor endorse any of them.
The block of text above implies that media sources with DRM such as Netflix, Disney+, Hulu, etc will simply not work or work with Linux as a terrible 480 resolution, apart from other non-sense on top of it such as HDMI requiring High-bandwidth Digital Content Protection.
Media company treats us like thieves and would like to make sure that we are not stealing their content so everything has to be online (and do advertising analysis on it as well for extra income, also they dont want you to buy irrevokable media anymore) so the only private way to watch content you own such as BluRay discs and DVDs is to be insane, rip it yourself and self host it in your own Jellyfin server. That is a rabbit hole in of itself and well beyond the scope of this so the
TLDR: this quest for a secure and privacy respecting TV/Projector device leads to self hosting of media services because media companies want you to not own your media and just rent and stream in perpetuity, all the while having no sense of privacy.