Not only does it speak of the inequality in rational thinking but also a skewed perspective of the worldview.

Rationally, blind doubt is just as worse because "This cannot ever be true" or "go ahead, prove this metaphysical thing... gotcha!" is a highly egoistic position to have as you're essentially saying that you're the only person in the whole universe capable of judging whether something can be true or not. Or the statement, "Nobody knows" which logically also means, "Nobody except me knows".

The famous Descartes thought experiment is indicative of what reality truly is. "I think, therefore I am" is a very logical way of arriving at the conclusion that your consciousness is the only reality that is self-evident. So the consciousness of others is just as real as the existence of the material universe. You can call them hallucinations or dreams, just because you did not experience that reality but the truth is, their conscious experience directly affects their physical reality and of those around them.

In fact, asking for the evidence of any metaphysical fact is a highly irrational position in itself.

So, I think it's wiser to be more open to ideas or possibilities, even if they sound absurd (especially with the culture and pre-conceived notions surrounding them) than to be like the guy who thought computers in the 90s were just a passing fad.