It matters not. If a witless is all alone and has a thought that goes against the Filthful and Disgraceful Slavebugger, they are supposed to immediately put it out of mind. Otherwise, the person is an "apostate". And, even if the hounders never find out, supposedly they are still going to die at Armageddon unless the thought is completely put out of mind, and the witless conforms to the Filthful and Disgraceful Slavebugger.