Aren’t you the pessimist and naysayer tonight. There are scores of companies all over the world pursuing 3D Printed houses and the results are promising. Fast construction, low cost materials, reduction of skilled labor, energy efficient...lots,of good benefits.
Google “3D Printed House”and watch some of the videos. It’s quite fascinating.
Your comment is misplaced - I am bullish on the technology, skeptical of marketers overselling capabilities.