"Interesting how many people will see these dwellings as high tech cool when ..." the optimal shape for a living space is a hemisphere with an oculus.
And the stacking aspect is totally dehumanizing. Not that it can't be done; just not like prison cells.
It's been around (and successful) since 1967, that 50
years. Trailerable houses go back to the invention of the automobile.
My R-license park-model 35' (mega-rare) Southern Pacific commercial Airstream resembles that remark.
Seriously, I paid $900 for it.