I feel like AI has opened a door of plausibility to Black Mirror or Twilight Zone concepts more than any other novel technology in my lifetime.

What if living 300 years meant the entire tempo of human living changes. That we all just slow right down because having control over our aging and when it happens. To be able to decide to extend your 20s… or not. To spend decades in your 30s. How would that change what’s important to us?

That'll be the commoners' problem; they'll be planning out how to survive the next 300 years.