Yet doesn't society select certain types of people as leaders. It's not that simple, of course. Human ideas do have an effect. Yet the way that ideas are selected or ignored seems to be dictated by the needs of the society in which they occur. New ideas are like the random mutation of genes.
Murder is reckoned the ultimate crime.
Animal lives, on the other hand, are protected only as property. Ask yourself, though, what the production cost of an educated westerner would be. The cost of clothes, education. Above all include the opportunity cost of the skilled work that parents put in to the production effort. A little thought suggest a figure well into six figures.