To elaborate, imagine that Alice's view as the goal of humanity is epistemological enlightenment. And Bob's is happiness of individuals. And Carlos thinks it's survival of humans as a race. What would be their ideas of the ideal environment for a human being? Or even, are their idea of a human being the same? What would they think about cloning or eugenics? What about economical structure, social structure? How would they compare the value of life to other values? So on and so forth...