“Software eating the world” implied that digital upstarts were going to create low cost solutions to take demand away from older, high cost analog firms. Amazon eating big box stores, Facebook eating print and TV. Demand was going to shift. “Housing eating the US economy” implies that housing is going to steal your inputs. They’re coming for your workers and capital on the supply side. It’s a different dynamic but a similar outcome – housing is poised to reassert itself as the main driver of the US economy.