I agree with @Hayorti here, in that there’s definitely some confusion going on between the existing “Hide” options and this requested feature.
For what it’s worth, I think this is more viable than it used to be based on some recent changes, such as being able to hide your watched items from trending (currently available on tvOS and Trakt Lite), but I don’t have any idea when this particular feature might be something to be implemented as it would indeed be a new data source to take into account as far as I can tell.
As for the existing Hide/Drop related features (which should be discussed elsewhere, eg. Set TV Show as Dropped, Watching, Completed or on-hold or Suggestion: Add an "Abandoned" Status for TV Shows), yes having them be managed from the Show/Episode page is ideally what I’d like too, but no ETA on that.