Individual persons that happen to be Black, sure.
But to characterize this as “Black voters” paints a picture that there’s some kind of large constituency of Black Trump supporters even though that’s clearly not the case. It’s a tiny minority of a minority population.
Harris spent her whole campaign trying to win over Republicans! The campaign strategy was to take the Dem base for granted and focus solely on people who are swayed by the likes of Liz Cheney.