Except these are apartments, you don't own them either. If you could own them it would actually make sense, but you can't so there's no actual, logical reason to do it instead of an apartment building. You would pay less for the same amount of space, the same level of "ownership" and the same amenities. You could house more people with basically any other option than 44 individual houses, and it wouldn't be some towering monstrosity either...which again: should barely be a footnote in the plans for something like this