Tweedle Derf:
A nonreligious person can derive morals from reasoned consideration of tradition, precedent, and evidence; the application of principles of a Democratic Republic, and logical assessment of internal consistency and predicted outcomes.
An opinion that can be objectively evaluated based on the efficacy in increasing well-being and reducing misery. Religious morality is based on opinion to a similar or greater degree than that of your typical atheist because interpretation of Bible verses yields so many differences. Look what happened here with Christians arguing on whether a wife can be raped by a husband. The female Christians side with the liberals on this one. A clearly immoral action is marred by confusing text.
The explanation of the origin of species does not dictate morality to an atheist. Unregulated Capitalism is the system conservatives advocate most, and it is the model most consistent with survival of the fittest. Additionally, evolution is about reproductive advantage, not killing off the competition.
Derf, your contentions are odd and you seem to take away nothing from conversing with people who think differently than you. You could never strong-man someone else's position.