He has lost a lot of credibility by giving his name to that abomination

It would be nice to think so, but how many of Le Manoir's customers watch reality TV? There will still be enough who see Raymond as a hero to keep him in the style to which he has become accustomed, I think. Only a newspaper digging for dirt will change this.
Who fixed it for Itchy and Scratchy to be among the contestants, so who was in on it from the start?
Here's my polling options, what do you think?
Sarah
Sarah and Raymond
Sarah, Raymond and David
The above and the freelance production company
The above and the BBC
Personally, I don't think that the last is true. I think that the BBC people realised what was going on either after the series was in the can, or at least only once it was too late and too costly to do anything about it. That still raises questions about their quality control process, but I do believe that the Beeb tend to cock things up more than they manipulate them. I wonder if they, and therefore the licence payers, have been had here.