Futurology

I like your optimism but disagree with your conclusion. Even before factoring in cost, I think there are far more drawbacks than benefits for 3D printing a house. Even if it lowered the cost of frame building to free, it still wouldn't be used because all the other problems it would create. The costs of mitigating those problems will keep it niche and expensive.

The real innovations in home construction aren't going to be noticed by the average person. It will be things like new types of lumber, greater use of pre-fab sections, etc. This article is likely pushed by a PR firm for a startup to get funding from the UN based on buzzwords and hype.