Is there anyway to do this currently?
If not, feel free to move this to DVR suggestions.
Scenario is you record something new (to you) and decide you don't like it.
Would prefer if that show was removed from the database as if it was never recorded so it's not used for recommended shows.
The four letter word DVR (TiVo) had something called 

and 

that used to work like that until it was bought by that other four letter word company (Rovi).
Alternatively is there a way to remove that show from the database as though it was never recorded?