Summary of Why Alien Life Would be our Doom - The Great Filter

00:00:00 - 00:05:00

The video discusses the possibility that a Great Filter exists which has prevented most advanced civilizations from developing, and why this would be bad news for humanity if we were to discover intelligent life elsewhere in the universe. It suggests that it is best to avoid contact with any life we might find, as we would have no way of knowing what might happen if we interacted with it.

• 00:00:00 The video discusses how the discovery of alien life could be bad news for humanity because the Great Filter - something that makes becoming a galactic civilization extremely hard - is behind us. It is hard to predict which step in the development of life will be the impossible one for a species to overcome, but it is possible that it is the step of complex animal cells. If this is the case, then humans are extremely rare and lucky, as no other species has achieved our level of complexity.
• 00:05:00 The video discusses why it would be bad if intelligent life were to exist elsewhere in the universe, as it would mean that a Great Filter exists which has destroyed most advanced civilizations. It suggests that it is likely that many planets in the Goldilocks Zone are habitable, but that if we find life on one of them it would be best to leave it alone for a while as it would be difficult to predict what might happen if we interacted with it.