While she uses the term “the right” – see the context below. Or perhaps the NY Times cleaned it up?
“One thing I give the right credit for is they never give up. They are relentless. You know, they take a loss. They get back up. They regroup. They raise more money. It’s tremendously impressive the way that they operate. And we have nothing like it on our side.”
Hillary Clinton said this in an interview for The Fall of Roe: The Rise of a New America, by New York Times journalists Elizabeth Dias and Lisa Lerer. Her remarks were reported in May 2024, in the context of her criticism that Democrats had underestimated the anti-abortion movement’s sustained effort to overturn Roe v. Wade.
One small distinction from your recollection: in this particular passage, she calls them “the right,” rather than “anti-choicers.” The persistence and regrouping language closely matches what you described