Objecting to things like the Black Police Association, Gay Pride, BLM etc etc when a White Police Association or Rampant Heterosexual Day etc etc would be frowned upon does not a Racist and/or Homophobe make.
Maybe "the family" just didn't agree that there should be a 'special thing' for it. TBH, I'd be mightily f*****g pissed off and would use some fragrant language if someone decided to misrepresent my views on Facebook. Maybe "the family" did too
That could put a different perspective on it before the PC brigade jump on it