Ultimately, they have to "contribute to society" because enough of us believe that that is how society should operate. If you're looking for a "society molecul

Ultimately, they have to "contribute to society" because enough of us believe that that is how society should operate. If you're looking for a "society molecule" to study its properties and see if "rich people gots to pay more" is one of its properties, you won't find such a thing, because all of this is human inventions.