Bob Stewart also points out about how he didn't want to try an African-American as host for any of his shows, but it was his company that gave the venerable Nipsey Russell his first pilot, the 1984 CBS pilot for a Jackpot revival, and his son Sande's company that gave him his only aired hosting gig, Your Number's Up in 1985. Admittedly Nipsey wasn't the best host of all time, but he was well known to game show fans and tried hard. Adam Wade's Musical Chairs gig also came a year after said article, and Sarah Purcell's Better Sex co-hosting gig came three years after the article, as we stated on Usenet at the time.
The part about ladies not being used as a game show host is still partly true. No lady has yet to last longer than two years as a host(Vicki Lawrence on Daytime WLOD holds that record), though Betty won her Emmy and other ladies have tried and failed. And the African American hosts we've seen didn't have long term success either, though some of them did a pretty good job. I think Ahmad Rashad tried really hard, as did Lynn Swann, and Al ROker on his MSNBC Remember This? gig.