Fascinating take on why public intellectuals have short shelf lives:

https://scholars-stage.org/public-intellectuals-have-short-shelf-lives-but-why/

This is a big part of why I intentionally try to keep "doing foot-soldier things" (notably, coding, and exploring the world regular-person-style rather than entourage-and-limousine-style)

Also take it from someone who's now 47 and due to health issues out of my control my energy level has drastically decreased the last 5 years.

When we're young with think we are going to be healthy & live forever. Time goes by so fast. Just yesterday I was 21 and full of energy!