They way we fed the computer overlords every detail of our lives before we knew they were sentient.

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Assuming we don't meet a nuclear terminus, pretty much everything, is my guess. 😅

Willful ignorance.... inaction...
everyone knew the ship was sinking, and everyone would rather go down with the ship than work together to right it

That we actually debated whether global warming was real.

Donald Trump is President. Can't get any worse or obvious ... can it?

American gun culture.

Nothing. By then (if there is a future) people will be numb to everything. Especially murder. If something did horrify the future generations that would be a shock.

The fact that we have such a corrupt gov't and actors that clearly break laws AND NOTHING IS DONE ABOUT IT.

Our actions or lack thereof.

That we didn't kill them sooner.

Our fucking stupidity

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How cancer was treated

The music