All government agencies carefully "craft" their messages, often spending hours and days wordsmithing it until it fits the political narrative. After perusing through some of the medical journals, I am convinced the real experts on the front line (i.e., not Fauci, whose inconsistencies and flip-flops give him away as a political operative and TV star wannabe, IMO) are not being heard by the public at large for a variety of reasons, not the least of which is our agenda-driven media.
I remember reading an article in one of the leading medical journals by doctors on the front line that suggested masks weren't all that helpfu or necessary for the public at large. That message got stepped on real quick when some really bad science was held up as proof masks were needed.. There are/were other examples.
One thing to consider: Colds and flu haven't ever gone away, just up and down. Covid is another form of a cold/flu. Like other cold/flu variants, it's not likely to go away.