I think there's a supply & demand thing. Most people are not that excited about finance, or sales, or computer science. And there's a need for a few million of

I think there's a supply & demand thing. Most people are not that excited about finance, or sales, or computer science. And there's a need for a few million of those people across the US economy to do those jobs. Whereas there might be a similar amount of people interested in being a professional musician at the same degree, but the commercial demand means that say 5,000 of those people can afford to go full time. Anecdotally, a lot of my friends went into teaching / nursing because it was seen as stable, and pretty easy to get into.