These new initiatives are part of a trend among the wealthy to undertake large projects, building enclaves or outposts through which they advance a radical agenda framed in terms of development and the greater good. Paseo Cayala in Guatemala is another example, and while it’s not new, the impulse to hive off public space for quasi-public — effectively private — utopian dreams are, alarmingly, becoming more prominent, marked by a hyperfocus on technology: sensors, artificial intelligence, algorithms, smart-this, and smart-that.