Text:
I consent to Plex to: (i) sell certain personal information (hashed emails, advertising identifiers) to third-parties for advertising and marketing purposes; and (ii) store and/or access certain personal information (advertising identifiers, IP address, content being watched) on my device(s) and share that information with Plex’s advertising partners. This data is used to deliver personalised ads and content, ad and content measurement, audience insights and product development. Your consent applies to all devices on which you have Plex installed. You can withdraw your consent at any time in Account Settings or using this page.
Soure: https://www.plex.tv/vendors/ (Might have to clear cache)
Can also read about the changes here: https://www.plex.tv/about/privacy-legal/
Because Jellyfin users like to feel superior. Accepting that other people have other requirements from software is hard, especially when you feel like you choice is the only valid one.
As a long time Plex user, who has a Jellyfin running in parallel, just not shared, I will keep using Plex until they either force me off of it or Jellyfin manages to make accessing servers remotely easier and more secure.