The other day I was in one of the many retail stores (Target, Wal-mart, Hastings, Toys R Us) with my girlfriend, her cousin, and best friend. Lately there has been a 'doll hunt' going on to find affordable dolls that closely match RP characters, my guess is that they are going for Barbie dolls because the Japanese Ball Joint Dolls are very much out of any one's price range.
Anyway, I've listened to my girlfriend's best friend whine and rant about how they don't make enough African American dolls. I personally don't think they make enough Asian dolls but I'm not going to complain about it in the store because A) I never have any money anyway and if I did, buying a doll wouldn't be my first priority. And B) Mattel is making African American dolls and there have been a lot more on the shelves even in the last few years but she's buying them in stores in Northern Idaho.
Let me give you a short cultural dynamics lesson, where I grew up, I went to school with Hispanics, Asians, Blacks, and almost everything in between. Where she grew up, you were lucky to see a Black person or anyone who isn't White walking down the damned street. And the reason: there are still pockets of White Supremacy groups up in the Northwest. Hell, there's a member of the KKK (proudly and publicly announced) running for Mayor in a town not 2 hours from where I live. Do you really think the managers of said retail stores are going to order a bunch of black barbie dolls? No, they will order a few to fulfill the minute need or a request but they are going to do what is good for their store and supply the demanded needed. Oh look, that thing they teach in economics classes 'Supply and Demand'.