Those situations are from unregulated capitalism and racism established throughout the history of the United States. Its the story of our country that no one wants to openly talk about.
Read Coates article "The Case for Reparations". It explains exactly how the red lining in Chicago happened.
https://www.theatlantic.com/magazine...ations/361631/
Untangling that deeply rooted mess requires some serious changes. Changes that people have been opposed to and continue to be opposed to for decades. Changes that people have been trying to make for decades.
You want to blame democrats for failure while fighting to make them fail.