You should probably consume less sensationalist activist propaganda and spend more time delving into the actual unglamorous history of how, where, when, and why they came about. Chesterton's Fence [1] is a very relevant concept here.
Can cars be used as a weapon? Yes. Was Henry Ford a racist antisemite? Also yes. Do cars exist so people can run over Jews and minorities? No. (Family Guy cutaway aside)
Zoning isn't as simple as that though. Zoning laws can restrict neighborhoods to with height limits, density limits, large minimum lot sizes, single family homes only, etc, with the aim of prohibiting affordable housing for undesirables.
Can cars be used as a weapon? Yes. Was Henry Ford a racist antisemite? Also yes. Do cars exist so people can run over Jews and minorities? No. (Family Guy cutaway aside)
[1] https://en.wikipedia.org/wiki/G._K._Chesterton#Chesterton's_...