The animated stuff is the only things attempting to stick to the original source materials.
Well not everyone is interested in 80 years of continuity and different mediums require different approaches.
For example; “The Hitchhikers Guide to the Galaxy” began life as a radio show, next as a TV show, then as a series of novels and finally as a feature film. It was different in every medium even though the creator, Douglas Adams was in control of it each time.