Why is NYC Hot 97, Erbo shocked about Howard Stern's racist video regarding the Rodney King beating?

I blasted the shock DJ's comment concerning him racially and sexually offending "black" women on Donahue Show in the early 1990s.  As a Selena Quintanilla fan since late 1993 and partially Hispanic(Spanish Louisiana Creole ancestry that  I discovered in 2016 in my genealogical research), I talked about Stern's racially offensive recording about the late Mexican-American/Tejano star and how made racial remarks to Latin music.  I noted that widower( my older Leo Latino brother who is ten years older than me/ both of us are August Leos ), Chris Perez rightfully blasted him online and demanded people especially Latino to boycott, "America's Got Talent" on Twitter (February 5, 2012). See, Nick Cannon is no longer on that show especially since his kids are partially Irish and Hispanic/Venezuelan besides black due to Mariah Carey's black, white, and Hispanic mixed heritage.   I talked about how Howard Stern and the late light-skinned African-American descended actor from the sitcom, "The Jeffersons", Sherman Hemsley made parody racist skit of Ted Danson in blackface and his ex-girlfriend/Oscar-winning actress, Whoopi Goldberg's stunt.  I talked about a lot of stuff that many people missed about Howard Stern's past in his radio and TV career. I