Investment does not rely on intelligence, but on common sense.
However, 80% of people lack investment common sense, and even 99% cannot rely on common sense to trade.
What is common sense?
Buying low and selling high is common sense, but how many people truly understand underestimation and overestimation, and how many can actually do it?
Doing things within your circle of competence is common sense; in life, you will never encounter things outside your circle of competence because you know you cannot do them, like weightlifting. But the cryptocurrency world is different; most people are doing things outside their circle of competence, such as those who don't understand trading randomly buying and selling based on feelings;
There are many examples like this, but it is clear that doing well in investment does not rely on intelligence, but on common sense. Unfortunately, most people have neither common sense nor the ability to achieve unity of knowledge and action!