I find a lot of folks, including highly educated folks, have no interest in investments. They think it's "too hard" off the top of their heads, and just ignore it. Some end up paying scalliwags to do it for them (I don't mean badgerfan in this). Paying someone to manage your finances is fine, they should be "fiduciaries" who don't charge based on how many transactions they do in a year. Quite a few do that.
My ex mother in law had inherited a fairly large estate and had a local bank managing her funds, she asked me to look over her portolio, holy cow, it was a mess.
Anyway, I think it quite useful to learn at least some basics. Obviously it starts, I think, with understanding credit cards and loans, student or otherwise. The level of CC debt in the US is astounding, to me. I've heard folks claim they go a raise but less take home pay because they moved into another tax bracket, which of course is impossible for that reason. Then of course some folks just revile the "stock market" for being evil, or something, a play ground for the wealthy, which kind of ensures they won't even be that.
