Ping me if he replies. I can't wait for that explanation...
I won’t speak for the original comment, but I would simply say these three words:
President
David
Palmer
Probably because the black president on the show was portrayed as a strong leader and Americans thought they could get life to imitate art by electing one of their own. Of course there were plenty of movies in the ensuing years that featured a black president before we had one. But anyway...