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Learninglife9 I guess you haven't heard or ignore President Ronald Reagan saw an UFO ___ President Jimmy Carter saw an UFO ___ President Barack Obama said there's something flying around in the skies and we don't know what they are ___ heck Trump even started the space force ___.
Oh God, so what? I guess you haven't heard that the letters 'UFO' stand for
unidentified flying object. Their sightings prove precisely nothing, because, among other things, they don't even know what they saw, and neither does anyone else.
In a court of law, eyewitness accounts are the weakest evidence of all, and are never, on their own, used to convict anyone of anything; something more substantial is always required, like
actual evidence.
The panspermia idea just transfers the problem of life's origins beyond the Earth; it doesn't actually solve the riddle.
And WHY would aliens, assuming they exist of course, even care about humans, if they're so far ahead of us that they can travel between the stars? Do you care about the ants on the ground you walk over on your way to wherever it is you're going?