Conversely, if this helps one portion of the economy that greatly then it will surely benefit the entire economy even more - or at least equally. Precisely why

Conversely, if this helps one portion of the economy that greatly then it will surely benefit the entire economy even more - or at least equally. Precisely why I would say this should be a governmental system of bare essentials living and housing. Every dollar spent on people with nothing will be spent by those people and increase aggregate demand, economically, and health, at a societal level.