…and if he sleeps is a good thing!! May reduce the damages.

Maybe you are right, but the local content has been always without ads, and the generic description should be related to both, live TV and own files. It would be a non-sense to add ads to stream a local content that you can easily stream with any dlna server etc.

I think it could be a bug and I would report it. In the Pass description one of the function is the option to skip ads on local content https://www.plex.tv/plex-pass/#modal-plex-pass-features