I seem to recall Dr Fauci on 60 minutes saying they don't really work. That they might make you feel better for wearing one but also have unintended consequence

I seem to recall Dr Fauci on 60 minutes saying they don't really work. That they might make you feel better for wearing one but also have unintended consequences because you're always fiddling with such a thing. So he wasn't suggesting people wear them at the time. Randomly searched YT of what I'm referring to: https://www.youtube.com/watch?v=5gYAka7qSnM https://www.youtube.com/watch?v=5gYAka7qSnM