Earlier quoted context omitted.
Testimony is not evidence, and using the passive voice ("given explicit authorization", by whom? why does this matter?) is an explicit argument from authority. Physical evidence or nothing. There are no shortage of credulous people in the world happy to bask in the glow of attention. Consider the counter-factual. If indeed there are aliens here, and have been here for decades, why not centuries? Why haven't previous…
Grusch was given access specifically by an act of the U.S Congress to investigate UAPs. Watch the CSPAN link of the congressional hearing I provided for the full details. Read the link to "The Crowded Galaxy" theory for what's probably going on based on that testimony. It answers all your questions. There are probably millions of planets with life in the galaxy. We're not remarkable except with how hyper-violent and…
David Grusch repeating second and thirdhand claims about alien conspiracies is not evidence that those claims are real, nor is investigating UAPs evidence of the existence of alien spacecraft. None of this is actually evidence if anything, it's literally the same non-evidence the UFO community has always believed in as a matter of faith, and insisted that everyone else take as proven, self-evident fact.