Is It Irrational to Believe in Aliens?

The video explores the possibility of intelligent alien life, discussing the Drake Equation and the challenges in estimating the probability of alien existence. It presents arguments for and against the existence of aliens, including the pro-alien perspective popularized by Carl Sagan and the Fermi Paradox, which questions why we haven't observed any evidence of aliens. The video also introduces the Great Filter hypothesis, suggesting that intelligent life may frequently go extinct before spreading across the galaxy.

What new insight or understanding did you gain from this video?