The real strength of a country and a person depends not on its IQ, but on its rationality and wisdom. So why is the highest IQ of Jews still a scientific contribution in the world?
Your evaluation criteria for a country or a person are too common. To put it bluntly, I haven't read any books, and people who haven't thought deeply about it will think so. You should be young. In fact, whether a country or a person is good depends not only on people's IQ, but also on many other factors. For example, social morality, behavior habits, the strictness of laws, whether education and employment are perfect and fair, etc. Just like the truth of the race between the tortoise and the hare, the final result is not necessarily the fastest.