Economic sustainability does not require endless growth of humanity. Should we continue to accept that greed as prime motivator of capitalistic instincts is actually “civilising”?
Locking up the rich and famous into gated virtual worlds makes a lot of sense. If they can not win the hearts and minds of the unrewarded/uncivilised – then the wealthy can at least hide from them.
The reason housing estates became ghettos is the lack of any economic rationale to improve them. The 21st century mega tower must be self contained as that provides an internal economy. Add solar panels and we are seeing a model of energy sustainability.
Upward expansion is also limited but the ability to control environmental impact with an economic impetus to maintain it makes a whole lot of sense. A housing estate that could maintain its own medical facility, other common facilities, common security and agreed rules is a small village.
If we stop growing, towering communities becomes a logical way to withdraw our footprint on nature.