Debunking can also mean to expose something as exaggerated, which is what these are.

They’re just aerial phenomena that the government can’t or doesn’t care to explain. It absolutely does not mean any of what they released is of extra terrestrial origin, nor does it imply there’s any crazy advanced tech going on. It’s typically misinterpretations or weird tricks of light occurring in camera, which are initially classified as the cause is unknown, then are later deemed safe to declassify.