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Only if birds, advanced military craft, or CGI are possible explanations. Does it kill the buzz to point out these explanations? The thing is, since these are videos (which we know can be manipulated) and additional information about them is usually very scarce, do you think there is something wrong with the sceptical approach? Or do you just want to be able to accept them as evidence of ET (or your non-mundane source of choice). If that's the case, why are you bothered by these explanations? Why not simply reject them. There a many who have no qualms about doing so.
They are only going to be labeled CGI, a bird, some type of advanced military craft, etc. but anything alluding to indicating an ET presence is going to quickly be debunked due to that general consensus and the various explanations that I've just mentioned are going to be the prime explanations.
It seems like a matter of separating wheat from chaff. On youtube there is an awful lot of chaff (not to mention outright hoaxes).
It just seems like a waste of time.