It is impossible to force the economic development of society by artificially encouraging investment and initially financing it with credit expansion. This policy can only have benefits if economic actors also elect to begin saving more at the same time.
The "experts" are complaining about advertisements from formula companies. Meanwhile, the US government spends billions on subsidizing formula through welfare programs.
Private cities may seem outrageously radical or utopian, but we are already using this approach very successfully in other areas of our lives. The transfer to our social order is only the last step in a development already under way.