Ufology is strange. On the one hand official denial, then the occasional leak from those doing the denying.
I think it is a bit of a flypaper strategy. Feed a drop to the fans doing the research, keeping them happy but at a low level, and control the narrative at both ends.
We are never experiencing the phenomenon pure, or in a spirit of public inquiry, but always as a government construct, always as a veil rather than the full reveal.
Puritans running a token strip club or speakeasy, watching the customers come and go. One official channel even had the acronym TTS AAS. You figure it out!