"Many Plex users were alarmed when they got a “week in review” email last week that showed them what they and their friends had watched on the popular media server software. Some users are saying that their friends’ softcore porn habits are being revealed to them with the feature, while others are horrified by the potentially invasive nature feature more broadly."
[...]
“The fact that this data is available to you AT ALL … That is just … Mind boggling, and completely against the very notion of self hosting,” one user wrote. “I feel betrayed that was done without telling me that this data was going to be collected"

https://web.archive.org/web/20231127170005/https://www.404media.co/plex-users-fear-discover-together-week-in-review-feature-will-leak-porn-habits-to-their-friends-and-family/

its 2023 if you can't view the code you should not be surprised the software is being used against you if anything you should expect this to be the case :tanya_bored: tldr use jellyfin