Trust me, when Carson stated that the pyramids were for storing grain, he dropped out with 90% of voters. The reason Carson voters moved to Rubio or Cruz is because they at least live lives that indicate moral clarity. People who are Church goers tend to understand morality has importance in the ability to trust people.
Anybody can say they are Christian, living it another matter entirely.
Jimmy Carter was a devout religious church-goer.
Ronald Reagan was not.
What was that point you were making?