Then why not raze Paris' buildings down to one story? (The difference in sunlight exposure for pedestrians between an 8-story building and a 16-story building

Then why not raze Paris' buildings down to one story? (The difference in sunlight exposure for pedestrians between an 8-story building and a 16-story building is not remotely as large than between an 8- and a 2-story building) Because sunlight non-exposure is one of the pinnacles of unfounded, futile arguments against density.