What the parent is saying is that the desktop versions of those programs are not remote friendly and the interface is not ideally scaled for 10-foot use. What you want are the Android TV versions, running on Waydroid or an x86 build of Android TV. See my other reply.

Jellyfin and Plex cannot stream from major streaming providers. Yes, I know the answer is pirating content but that’s a complete paradigm shift compared to what most people are used to. It’s an absolutely enormous extra requirement when you’re suggesting someone switch their TV to Linux.