I'm not sure about disciplinary action, since it was such a bizarre (and hopefully rare) occurance. But I do agree that the staffers should have booted the man (or at least threatened to) rather than bar the black employees. And they could have had security standing by if they feared some kind of violent reaction. I applaud the hospital for apologizing. Good for them!
I see no problem with having Miss Black America, Mrs. America (i.e. married America), Miss Plus-Size America, Ms. Senior America, etc. They are only defensive and natural responses to the slowness of the Miss American pageant to integrate itself, and/or its narrow definition of beauty/appeal. I mean, it's ludicrous that it took sixty years for the pageant to include a woman of color!
Same goes for HBCUs (historically black colleges/universities), affirmative action, and the anti-racial profiling movement. As a white woman, I personally have no problem with accepting the need for some "unequal" treatment, or special schools/programs/grants that go in favor of blacks. Let's face it, for 300+ years, the scales have been drastically tipped in one direction, with the social attitudes, culture, and very laws of our supposedly free land working against black people. This was tolerated and even given credence by our government (by allowing segregation and Jim Crow laws impeding voting) until embarrassingly late in the 20th century.
So while I completely understand that it may not seem fair to those who have not obtained jobs (or can't take part in Miss Black America pageants!), but y'know, that's a painful but necessary part of the process required to ensure the equality promised by the Declaration of Independence. Losing out on a possible job is a damn sight better than having to struggle against having multiple generations of your forebears who were dragged to a country in chains, lived/died/tortured under slavery, and were denied education, voting rights, and even the right to drink water from any fountain they wished. This kind of history of oppression puts people at a severe disadvantage, even now, and one can't expect it to be overcome in only thirty-five years.
So if it takes a few decades of extra boosting to make up for lost time, so be it. IMNSHO, anyway.