No it was false. There were several black qbs and they were not touted as was McNabb. He is popular because he is an outstanding individual on and off the field.
Rush blew it but that is just as well.
You obviously don't know what Rush said. I do. Look it up and you will see that you are wrong. That is, if you care to be honest about what you see. Don't look up what the media says about it, look up what Rush actually said.