There's an episode of Grand Designs (great show) where some people build an entire house by bringing a CNC machine onsite and banging out pre-fab wall sections

There's an episode of Grand Designs (great show) where some people build an entire house by bringing a CNC machine onsite and banging out pre-fab wall sections exactly like this and connecting them in place. Here's the full episode: https://www.dailymotion.com/video/x6hsxwd https://www.dailymotion.com/video/x6hsxwd It's pretty cool to see, but in the end it seemed like way more effort than nailing some 2x4's together.