What's the greatest existential threat to humanity?

Question

I'd guess "asteroids" because it's a common extinction-causing event in geological history.Popular answers: Climate change, AI singularity, nuclear war, other environmental catastrophe.

7thaccount · Accepted Answer

So much of our technology is built up on many layers and nobody knows how anything works anymore.

bradknowles · Answer

The answer is &ldquo;humanity&rdquo;.We are our own worst enemy.Greed uber alles.

What's the greatest existential threat to humanity?

I'd guess "asteroids" because it's a common extinction-causing event in geological history.
Popular answers: Climate change, AI singularity, nuclear war, other environmental catastrophe.

So much of our technology is built up on many layers and nobody knows how anything works anymore.

The answer is “humanity”.
We are our own worst enemy.
Greed uber alles.