I've been asked things like this before because I attended a historically black college. A lot of these organizations were founded out of necessity because we couldn't attend other colleges or we couldn't belong to the group because we were black. They were developed to foster networking and allow us the same opportunities that were being denied to us. So now that we are "allowed" to join the other groups should we just tear down our alma mater or end an organization? These groups weren't really started so that we remain separate, they were started so that we could foster equality.