I wonder if this is part of why there used to be far-out concepts like the X-Seed: [0]. That was always pretty fanciful, but perhaps it was a little less so if you thought construction automation was close to being solved, and that perhaps someday actually building the thing would just mean gathering materials, pressing Start and letting it do its thing.
[0]: https://en.wikipedia.org/wiki/X-Seed_4000
