Perhaps. But you stated there was no precedent for lockdowns. That's false, as is your claim that Fauci violated established protocols as if he invented lockdowns out of thin air.
Regarding the effectiveness of lockdowns, according to https://theconversation.com/did-the-covid-lockdowns-work-heres-what-we-know-two-years-on-176623, "While accepting that no method of assessment is perfect, most published studies have found evidence to support lockdown measures being effective."
A list of those studies is here: https://github.com/mbevand/npi-effectiveness?s=03.