Better medical technology means people die older. Older people already own most of the capital, having them live longer isn’t going to get us to a healthier society that’s not as biased towards existing capital versus innovation and income.

And older people passing their wealth to a newer generation isn't going to fix things either. All that changes is who will be ossifying society. At least, with medical technologies, people can't run away from the problem by dying of old age.

That's a separate problem to the population crisis. People thinks population's going to decline. I am not so sure. Things can change a lot in a few decade.

All we can say that at this current time, the trend is toward population decline.

it is extrodinarily unlikely anyone will do such as thing.

As I noted earlier. the birth rate is below replacement rate in almost all developed countries. If not for immigrants population would be shrinking. If anything they would demand more children...

It is because the elderly are dying, same as they always been dying through out the ages. The older you get the more likely you are to die.

The current demographic trend is based on this assumption. It goes out the window the moment we start meaningfully reducing the probability of death.

> It goes out the window the moment we start meaningfully reducing the probability of death.

What does “Meaningfully reducing the probability of death” mean?

I thought death is certain. Do you mean pushing death further into to future, say by hundreds or thousands of years?

The probability of death is correlated to your chronological age. The older you are, the more likely you are to die.

Eliminating or reducing the probability of death correlated to chronological age means our average lifespan is likely to be thousand of years, but not unlimited since we will die to other causes, likely involving accidents and natural disaster.