This may sound reasonably optimistic, but his argument contains a crucial flaw. Where his original essay was rooted in political philosophy, this book relies on statistics and biology. Such empiricism is not adequate for addressing substantive philosophical questions. The full title of his 1992 book was The End of History and the Last Man. The phrase was coined by Friedrich Nietzsche to describe creatures whose greatest desire is their comfort.
Last men are tolerant and non-judgmental, for to be judgmental is to cause conflict.
They worry about health and safety, and the elimination of smoking in bars. A nation of last men may well be recognized by the UN as the best country in the world, but don't rely on it as an ally. Last nations don't breed heroes, because last men possess no transcendent ideals. The grand questions have been answered. At the end of history, there's nothing to do beyond the technocratic administration of society.