At this point, it’s about vengeance. They cut out our tongues, and now they will pay.
Besides, McCain is just another Democrat regardless of his actual party registration, so helping him defeat a different one gains us nothing. Actually, it’s worse, since then we become the author of the disaster he will surely bring.
Who is "they"? The other Republican voters who marked their ballots for McCain?
And how do you make "them" pay without making all decent people now and in the future pay even more?