Both were also inspired by movie characters from their childhood who fought crime. Will had the silent film where the marshall wore a hood and Angela had a blaxploitation film about a nun who fought crime with a gun, it's even where she got her name.I like the visual contrast, Angela wears black makeup around her eyes in the same pattern her grandfather wore white makeup.
The implication of the chief being related to Cyclops seems to be that the differences between then and now are superficial, and racism has only changed in that it learned to be sneaky enough to satisfy politics.
In the 1940s you explicitly tell a black person they are inferior. In the 2010s you tell them they are an equal, but set things up in the background to still not have any real power.