

Ideally or practically? Those are very different conversations.
Practically, there’s not a lot that can be done. In the US, there’s not a good way for someone like that to continue living.
I also will note that the phrasing of your last two sentences is kind of unpleasant. I’m not sure if that’s your intent, but it creates this implication that your value as a worker is the major contributed to your value to society. I don’t think that’s the case- I think it’s possible for someone to not work and contribute a lot to the happiness and well-being of a local community. Also, part of the thing that makes humans special is that even if someone doesn’t contribute to the overall needs of society, we will still take care of them out of love. That we love other people is a sufficient foundation for their existence.
Fancy savings account for retirement that’s stored in stocks so it can explode at any point. Basic perquisite to ever retire in the US. Many people don’t have them.