I agree - practical financial education is a huge, glaring omission from most curriculums. However, even if it wasn't, universal availability isn't a good argum

I agree - practical financial education is a huge, glaring omission from most curriculums. However, even if it wasn't, universal availability isn't a good argument for the societal benefit, morality, or legality of these practices, since to say they would still disproportionately benefit the wealthy would be an understatement.