The Next Idea “Detroit's greatest paradox is its abundance of space and its scarcity of quality housing.” That’s the opening salvo in writer Michele Oberholtzer ’s opinion piece for Model D . At one time, Detroit’s population was almost double what it is now. As people left, so did quality housing. That puts people still in the city at risk, Oberholtzer said. “The housing is often under code, or not up to par,” she said. “And the moment that a person leaves the home that they live in, that