umm??? How does it share this data with respect to its own privacy statements???

https://www.plex.tv/about/privacy-legal/

M. What information does Plex collect from my Plex Media Server?

Plex does not share information about your Personal Content with third parties. Plex does not collect:

• Content titles of your Personal Content.

• Filenames EXCEPT those that may be collected under Debugging Information below.

• Metadata for Personal Content (e.g., information about the specific file, cover art, subtitles, running length, etc.) EXCEPT to customize viewed content syncing to enhance your account or if you have enabled metadata matching capabilities in which case such data will be anonymously sent to us or you have integrated with a third-party control or playback mechanism that requires us to access your metadata to play the relevant content (e.g., if you use Amazon Alexa to play a particular song or movie from your Personal Content, then our Services may search your Personal Content metadata in order to find and play the song or movie requested.)