This company is popular for being the company chosen by Elon Musk[1]. He's supposedly living in one in Starbase, Texas. I guess it's also a study to understand the dynamics of living in a small space as any dream of inhabiting some other planet passes necessarily by the adaptation of a lifetime in a tiny space.
[1]https://www.teslarati.com/elon-musk-50k-house-texas-pictures...