I guess I’ll just talk about Black Millennials a little bit more since everyone practically hit the nail with older Black voters.
Unlike older Black voters, Black Millennials are more liberal/progressive as Millennials overall are more liberal than their parents or grandparents. It wouldn’t surprise me if some older Black people were afraid of the word “Socialist” because it reminded them of the Cold War days. Millennials were too young to remember and/or experience the great fear of Communism back in the day, so they’re more open to it. Hell, “liberal” was actually a dirty word. In many polls, notice how there are few Black people who identified themselves as “liberal” compared to many describing themselves as “moderate” & “conservative.” Many are probably socially conservative, but not necessarily fiscally. I do think that a lot of that deals with people not knowing what liberal, conservative and moderate actually mean.
Just my two cents.