The article describes nearly 100 houses printed at 2-3 weeks per house and 25 sold. That is very poor economics for single family development. Working capital tied up, carrying costs for the land, interest on construction loans, etc. are all coming out of the developer’s pocket. [1]

There’s also the capital cost of the printer, the inherent complexity of pumping concrete, and the material cost of concreter per unit volume.

My opinion is based on my bullshit detector. I worked in a precast plant with its own concrete plant, for a very large home builder, and for and with residential developers as an architect. Sure I might be wrong, but my opinion is formed from directly related experience with the materials and with the industries.

But even on the face the article is talking about moonbases as future projects not suburban Atlanta.

[1] Most likely this project is subsidized with non-commercial resources.