Earlier quoted context omitted.
Yes, we're not talking about reality, we're talking about the measures of it. A metric would fall down on corner cases, so identifying the corner cases is how you determine if a metric is a good one. "% people owning homes" is maximized by joint ownership, as well, but the corner cases are interesting: It is lower with big families living together or when anyone rents. On the other hand, the "% homes lived in by owne…
I feel like this could just as easily be accounted for as "are you paying rent to the person who owns it or not?", which rules out family members.
What's the goal - defend A vs B?