Proving a negative in a virtually infinite universe looks like an uphill struggle, don't you think?
There is not a single shred of evidence _ever_ found to support one iota of research funding. It's science fiction run amok.
That's self-contradicting.
You only need to find a single instance of aliens to prove that aliens exist.
You need to carefully analyse the whole universe and not find anything to prove that they do not. Proving a negative is hard.
There is more evidence for big foot, lochness monster and vampires than there are for aliens.
Proving a negative in a virtually infinite universe looks like an uphill struggle, don't you think?