That cartoon reminded me of a discussion I had a long, long, time ago, when I was in graduate school, with a fellow student about voting. He said that each of us should vote based on our own narrow interests because that is the way that the democratic system works best. If each of us thought only of our own interests when voting, then the results would reflect the outcomes that the general population wants, whereas if we voted on the basis of what we think might be better for other people, then the results get skewed because we do not really know what other people actually want and are merely guessing, we only know for sure what we want.
I did not agree with him then but had to acknowledge that it was an interesting argument with a certain logic, the kind that geeky physicists would come up with.
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