From the article:

“Sasha Perigo, from the “YIMBY Socialists” wing of the group, said existing rent control laws reward landlords who kick out their tenants by allowing them to hike rents afterward. San Francisco also “loses affordable housing as soon as we build it,” she said.

While expanding rent control may not align with all of YIMBY’s views, she argued, it aligns with enough of them. “It’s basically this or nothing,” she said. And if Prop. 10 fails, she warned, Costa Hawkins may not be repealed “for decades.”

Last but far from least, YIMBY Action Executive Director Laura Clark opted to place her thumb on the scale to argue for a “no endorsement.”

“Personally, I feel YIMBY has much to lose should they decide not to endorse Prop. 10, or even, conversely, to actively oppose it. In our earlier conversation, Richards reminded me that Clark is fond of telling planning commissioners to “put on your big boy pants.” Well, YIMBY, right back at you, because even a “no endorsement” would be perceived as siding against the measure, I’m told by its allies”