“So far, you’ve concentrated on things that might benefit our distant successors” ... “space trave, cancer treatments, AI”

I would hope we’re going to make large strides in these in his lifetime. If we could effectively funnel more into R&D sooner, we’d all see the benefits sooner. Cancer(s), for example, might be cured in say 2060 with our current effort, but if we solved the problem by 2030, hundreds of millions would benefit.