Probably true, and considered at the time to go hand in hand with the progressive program of "slum clearance." Move the poor into high rise "projects" and use the land for higher purposes.
NYC did the same thing when they built Lincoln Center, wiping out many square blocks of poor but functioning neighborhoods to be replaced by a monument to the elite.
Yes, Truman’s urban renewal program did more to distroy black neighborhoods than the interstate highway program did.