This gives you plenty to think about. In the U.S., mainstream media has characterized Tyson's responses as "harsh" or "odd." However, I believe he was simply being honest, perhaps even offering a nugget of wisdom to the interviewer.

Earlier in my writing career, as I worked on books, the idea of legacy was always on my mind. Without biological children of my own, I viewed my words as my legacy, which fueled my motivation to create. Now, at fifty-three, I’ve come to understand that for many of us, the only enduring legacy we leave is the way our lives influence others—for better or for worse.