No one said that the system should not be moral and accord with values. But religion should be out of it.
People who share conservative values often won't vote Republican because of the Pat Robertsons and the Jerry Falwells of the world.
Life is tough without a nose.
What if a person only believes that issues of morality are decided by what is biblical. How do they leave religion out of it?
Your statement proves my point that atheists may support Christian leaders but Christians will not support atheists.
Is that supposed to make them feel principled?
If your theory is the case, these feeble reactionary dolts are faux conservatives to begin with, and ethical hypocrites as well.