

They merely have control over a user interface that can be replaced.
If you have no control over it, that means plex isnt self hosted. The data is self hosted, but not the interface which is all that plex is at the end. You are basically just donating your hardware and data to a shitty company at that point.










Controlling the software is an integral part of the ethos of self hosting. Literally right in the first sentence of the wikipedia page.
https://en.wikipedia.org/wiki/Self-hosting_(network)
Plex is outside of the administrators control.