i would also add to "taste" and "nutritional profile", (3) the well being of the chicken, (4) the well being of the factory workers who tend to them, and (5) th

i would also add to "taste" and "nutritional profile", (3) the well being of the chicken, (4) the well being of the factory workers who tend to them, and (5) the impact on the environment where the non-industrial chickens are raised. the more dimensions one considers in the multivariate optimization, the more McD's starts to lose value (geometrically, even).