Ask HN: What do you believe that no one/few others does/do?

That we shouldn't encourage these "life extending" projects until we're able to feed and house the people we have already, or drastically slow population growth rates. Otherwise, it's likely that such advancements will further widen the quality of life gap between the wealthy and the poor while increasing downward pressure on the middle class.

Or, for the philosophical types, a finite life is essential to the human condition; even stars die.

Self-driving cars won't ever be a thing.