Always a cluster F.
If there are any (very discreet) scientists sufficiently interested in the subject to risk their careers and livelihoods, how frustrated they must be.
Acrimonious pro and con arguments mistakenly center on the ridiculous assumption that “UFO's” are evidence of some sort of extraterrestrial visitation to our planet.
This delusion does not just obscure the path of reason, it leap frogs over where we might begin a meaningful discussion of how to approach investigating and understanding the tiny subset of unexplainable events which remain after we separate signal from noise.