The riots of the 1960s destroyed the economy of many cities for _decades_.
Some downtown areas have _never_ come back.
Folks have long memories—and there are a lot of better options than doing business in areas where rioters feel free to riot.
And on the pedestal these words appear -- "My name is Ozymandias, king of kings: Look on my works, ye Mighty, and despair!"
They forgot what happened in the 60s. They destroyed the local businesses and they had to travel to the white neighborhoods to shop.