Is because too many jobs don't pay a living wage.
We can't all be lawyers, and if we were - well, a society needs tradespeople and custodians regardless.
It's why I remain unconvinced by the 'education is the answer' folks. What works for one person doesn't work for the whole. Focusing on the individual is a way to avoid dealing with macro policy issues that require planning, execution, and work.
But looting is so much easier and fun.