Earlier quoted context omitted.
Your question is answered in the article: YC is interested in making money and they seem to believe that having more diverse founders will help them do that.
From a "cold hard cash" standpoint, it's a really good idea . For example: Africa is currently going through a mobile phone revolution. Want to see staggering growth numbers? Look at mobile banking in Nigeria and Kenya. Look at what Sproxil is doing to combat counterfeit prescriptions. Hell, in lots of places mobile phone air time is becoming as important as local currencies. Think a lily-white Stanford graduate woul…
Maybe you don't realize but your comment is quite racist. So, you think by virtue of being black, every African-American somehow has an inherent understanding of African nations.
Here's a excerpt from Jumpa Lahiri's book The Namesake about similar sentiments for a second generation Indian-American man talking to friends of his white girlfriend about getting sick while visiting India:
"But you must be lucky that way"
"What do you mean?"
"I mean, you must never get sick."
"Actually that's not true," he says, slightly annoyed... "We get sick all the time. We have to get shots before we go. My parents devote the better part of a suitcase to medicine.""But you're Indian," Pamela says frowning, "I'd think the climate wouldn't affect yo, given your heritage."
"Pamela, Nick's American," Lydia says ... "He was born here."