Financial literacy is a red herring. If one only stores their savings in gold or an index fund, that gets them practically all the way there. It takes all of two minutes to teach it. It compounds itself.
Risk too is sort of a red herring. Just buy in whenever it dips, and you are set. Diversify just enough to dilute the aggregate risk, and it practically disappears.
Savings are not even possible with low income, only with medium to high income. The lesson to learn is to avoid wasteful excessive spending that benefits oneself only in the moment.