What's with all the white tile burger joints in metro Detroit?

All around metro Detroit there are tiny, white tile, old-fashioned buildings that sell hamburgers, or more specifically, sliders. There's Brayz, Hunter House, Telway and more. But if these places are owned by different companies, why do they all look so similar? WDET's Russ McNamara answers this popular question, and tours as many slider joints as he and a listener can handle, in this episode of CuriosiD.