You know those rental carpet deep-cleaning things you can get in supermarkets and discount stores? The big red display with all the bottles of various cleaners and the vacuum-like machines.
When you think about it, isn't Rug Doctor a terrible name for them? It's not like they work to correct or prevent problems with your rugs. And they don't cost a fortune (nor do you have to argue with insurance companies).
If anything, shouldn't it be Rug Dentist?