Earlier quoted context omitted.
Those problems aren't sexy and can't get anyone rich quick.
You're right, a lot of those problems aren't sexy. Yet, they're all critical problems that must be solved. That said, some of them are sexy. Voice-to-voice translation, for example, is already being worked on substantially. Most of those problems, though, seem to me to be more political problems than technological ones. The cost of housing in cities, the failure to help refugees and displaced persons, tools for colle…
* I am being a little facetious here, but only because I don't think I don't think tech has nothing left to offer in these, more challenging, problems.