They know it's true. To glom from BadTux, the race right now is between Sleazy dwarf and Creepy dwarf. Frothy and Goldy are pretty much only serving a vote-sinks who are hurting Sleazy, as nobody who votes for them would have voted for Creepy.
I miss the entertainment value of both Crazy and Dopey. I wasn't sad to see Oily go, as he was probably the one who was most likely to win n November. But he wasn't nutty enough for the modern GOP.
 I know that BadTux refers to Sleazy as "Grumpy". Here, Newt's Sleazy dwarf.