You don't think that hiring a black guy will provide some useful perspective? (Or an immigrant?) I don't get why you contend that class is the only fundamental distinction here.

Tech is often focused on the minutiae of our machines, but even then information and learning is not evenly distributed. I've worked with various minority engineers and also Indian/Chinese/Persian/etc and they've all had really different views on how to approach things, how to manage conflicts, and different mathematical backgrounds too.