This is phenomenal and I love it.
I read about a few places doing it, but never any discussion on the following: are the houses well looked-after? And in particular, do they last?
Stereotypes and needs aside, isn't this a common issue with e.g. social housing? I guess perhaps because people who need this kind of help often have severe mental issues alongside.
I'm wondering about the sustainability of such approaches, rather than any kind of 'worthy/not worthy' arguments.
Also, how does one avoid creating ghettos? This is already an issue with low cost / subsidised housing, this sounds related.