Was I wrong or out of line to ask this question?

I asked a question a while ago about how many black people like to fluther and it got deleted. A question about ancestry sparked my interest and lots of people who answered the question were of European ancestry and knew alot about their ancestors. I however, am African-American and probably couldn’t go back as far as 5 or 6 generations so I replied that my ancestors were slaves because they were. So a couple days ago I asked how many people on fluther were black and thought nothing of it. I checked back later that day and my question was gone. When I checked my e-mail I got a message from the moderators talking about singling out minorites and what-not. I think its very unfair that I can’t ask a question as simple as that. There is nothing wrong with knowing that people are black and how many people are black, at least not to me I was just curious. Do you think that my question was out of line? If so, why?