I think you're going about it the wrong way to try and unite people under a certain ideology. Different strokes for different folks, as they say. Beyond the basics, human beings vary vastly in their needs and desires. Trying to find something that is acceptable and works for everyone isn't feasible, so the most we can do is to try and exist in harmony. Rather than unite under one ideology, it's more practical to weed out the destructive ones, and what I see the world needs is to try to help people form bonds over their commonalities, rather than fight over their differences.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell