As someone else already said, lying requires intent. People can be wrong about things.
"The NIH has not ever and does not now fund gain-of-function research in the Wuhan Institute of Virology" -- Fauci, under oath to Congress, May 2021.
NIH's Principal Deputy Director Lawrence Tabak contradicted this in writing five months later, confirming funded experiments had produced findings that met the gain-of-function threshold.
-- https://int.nyt.com/data/documenttools/nih-eco-health-allian...
If we know that there were deliberate lies were said about certain aspects of the covid pandemic, why should we assume good intent otherwise, especially from a U.S government that is jhighly influenced by well funded lobbyists?