Because when you have millions of people with this kind of need for gratification, and the culture is saying that it's possible for everyone to satisfy all of their needs and desires all of the time, there are obviously going to be clashes - clashes of ego.
“All the blessings we enjoy are Divine deposits, committed to our trust on this condition, that they should be dispensed for the benefit of our neighbors.”
“We don't have the capability today to put a human being in space of any kind, shape or form, which is absolutely, totally unacceptable when we got the greatest flying machine in the world sitting down at Kennedy in a garage there with nothing to do.”