I think the generous reading, and the one I agree with, is that it is on the scale of "FU money". Any reliable source of income that can satisfy needs means tha

I think the generous reading, and the one I agree with, is that it is on the scale of "FU money". Any reliable source of income that can satisfy needs means that you have more freedom to refuse to do X, Y, or Z. This is the key to FU Money, an increase in freedom since your base needs are met and secure; agreed that in common parlance it usually is applied to people that have so much money they can live like a king and say no to whatever they want.