That doesn't follow. We can always say there's things we don't know, sure, but it's not reasonable to take that as a justification for saying "Therefore maybe X", with the implication that X is somehow likely, or therefore even possible in reality. Maybe fairies. Maybe whatever. It's not a technique that can lead you to any particular conclusion. It certainly can't tell you anything about the probability of something.
That doesn't follow. We can always say there's things we don't know, sure, but it's not reasonable to take that as a justification for saying "Therefore maybe X", with the implication that X is somehow likely, or therefore even possible in reality. Maybe fairies. Maybe whatever. It's not a technique that can lead you to any particular conclusion. It certainly can't tell you anything about the probability of something.