4. Two Modes: The Top of the Pyramid and the Average
There are two profit models in the world. One follows the 20/80 rule, where the top 20% take 80% of the profits; the other offers high average returns, even if it does not reward only the most outstanding people. For decades, software development has belonged to the second model: you do not have to be extremely elite to earn a good salary. Fields like medicine and law share this same characteristic.