It's the first sentence in the History section
[1] Baldassari, Erin; Solomon, Molly (October 5, 2020). "The Racist History of Single-Family Home Zoning". NPR. Archived from the original on November 14, 2020. https://web.archive.org/web/20201114004918/https://www.kqed....
[3] Hansen, Louis (March 1, 2021). "Is this the end of single-family zoning in the Bay Area? San Jose, Berkeley, other cities consider sweeping changes". San Jose Mercury News. https://www.mercurynews.com/2021/03/01/is-this-the-end-of-si...
[4] Ruggiero, Angela (February 24, 2021). "Berkeley to end single-family residential zoning, citing racist ties". San Jose Mercury News. https://www.mercurynews.com/2021/02/24/berkeley-to-end-singl...
[5] Yelimeli, Supriya (February 24, 2021). "Berkeley denounces racist history of single-family zoning, begins 2-year process to change general plan - Council unanimously approved a resolution that will work toward banning single-family zoning". Berkeleyside. https://web.archive.org/web/20210301140957/https://www.berke...
[8] Baldassari, Erin (March 13, 2021). "Facing Housing Crunch, California Cities Rethink Single-Family Neighborhoods". NPR. Archived from the original on March 31, 2021. https://web.archive.org/web/20210331194917/https://www.npr.o...
https://economics21.org/history-zoning-america-flexible-hous...
Looks to me like another example of HN guy pushing a narrative and pretending it’s fact. Or maybe someone just made a mistake and a more charitable reading would show that there is perhaps not a conspiracy going on but instead just a misunderstanding.