I did entrepreneurship during my undergraduate program, so I would say it should not just be limited to a certain level but should cut across all levels. These days, kids learn programming at an early stage because we have seen its essence and why it can be better grasped while young. Financial literacy could be done the same way. For business maths like profit and loss, interest, and compound interest, which I learned in school, I still see their application in business today. But the point is, even where they are being taught, it is not done in such a way that students see their applications in real life. They teach abstract concepts just like you rightly said