However he really didn’t say black community did he?
No, he said "I'll have those niggers voting Democratic for 200 years." That was back in the days before black or African American were in style and most of us on the right said "colored" or "negro".
And was always intened to be non-offensive and generally taken that way.
But now the cultural elite has been diddling with unoffensive words, co-opting unrelated words, and trying to tweak the American culture more to their liking.
Being a bit old fashioned and refusing to bow to cultural whims seems to be an issue with the fashion conscious.