Yes, in the same way that leaving the door open on Passover requires almost nothing. But it doesn’t mean Elijah the Prophet will ever show up.
Every argument you’re making in favor of extraterrestrial life can be applied to almost any form of pseudoscience. We’re still discovering new species, so it’s possible that Bigfoot exists. But if Bigfoot really doesn’t exist, that would be good to know too, so we should keep searching. Ancient people studied the woods and forests, and learned many important things; but they didn’t have the tools that we have, so we’re simply observing those forests with night-vision cameras because Bigfoot.
