The video reeks of his arrogance
From article
As of 2020, there was data indicating that you didn’t need to have a mask,” Fauci said in a recent interview. “The data being that there’s no evidence that they protect outside of the hospital. There’s very little infection transmitted asymptomatically. We have a shortage of masks. The data were misleading, but they were there. And they misled me.”
“If I were an infallible person, I would’ve said wear a mask anyway,” he added. “Even if we don’t know those things, maybe I should have done that, but I was not acting on that kind of instinct.”
“Yeah, I was wrong,” he said. “Yeah.”
https://trendingpoliticsnews.com/yeah-i-was-wrong-fauci-knab/
He is not admitting to being wrong about the effectiveness of masks. He is saying that early on he downplayed their effectiveness and was wrong about that. He is still of the position that masks prevent the spread viruses.