A well-thought out article. I liked the way how the author takes you by the hand and proves his point step-by-step, without missing a beat.
His points are, of course, that by-and-large a human will become a utilitarian (fatalist) decision maker in moral questions if the risks involved are absolute and certain; and if the risks are relative and uncertain, then one tends to become a Kantian moralist, that is, making purpose or intent triumph over expected results. The author proves this very nicely, by using thought-experiments.
On the other hand he shows his human wisdom, his knowledge of people, when he points out that nothing is totally certain, or totally uncertain; but we, humans, attach some future outcome an absolute certainty if the relative certainty is high, and attach some future outcome an absoulte certainty of not happening, if the relative certaintly is low. Thus, he proves that humans will behave one way or another, due to our optimistic / pessimistic view.
I liked the article because it was well written, logically built up, and showed care that the steps to take thought to a different level each time was not difficult for the reader.