And certainly not when not everyone has good health care, education, working conditions, housing, and leisure/rest.

But they also set their baseline right after a huge devaluation of assets, so that they have a fairly biased starting point.

If they'd picked 2007 or nearly any year before that they'd have a rather different result. If they picked 2009 or any year after that they'd have a rather different result. 2008 was picked to give the kind of result they wanted.

of Americans barely getting by.

they may own nothing.

Or what happened to the upper classes after the French and Russian revolutions? They had everything, then they had nothing, in some cases, not even life.

once our changing climate no longer supports large-scale agriculture.

Unfortunately, owning those towers and the means to operate them will again favor the rich.

I don't expect the rich to starve in anyway other than in prison after a revolution. History has shown time after time that when wealth becomes hyper concentrated in a few hands, revolutions result and wealth is redistributed, often with, murder, chaos and dictatorship existing during that process.

Depending on what is being grown. And there is no need for sunlight due to tuned grow lights giving plants the exact wavelength for optimal growth and yield. Scary shit, but a reality that is coming.