Because you're going to vet these people and determine if you want them on your panel? It's very easy on the Internet to not know if someone is a black, a woma

Because you're going to vet these people and determine if you want them on your panel? It's very easy on the Internet to not know if someone is a black, a woman, gay, etc, especially if they don't advertise it (and many people don't). If people really have a problem with what's perceived as limited diversity, the best way to combat that would be to do something like this, rather than just moaning impotently every time an all-male or all-white panel is chosen.