I teach 18- to 21-year-olds - the 'Harry Potter' generation. They grew up as voracious readers, reading books in this exploding genre. But at some point, I would love for them to give Umberto Eco or A.S. Byatt a try. I hope 'A Discovery of Witches' will serve as a kind of stepping-stone.
Herein lies our problem. If we level that much land to grow rice and whatever, then no other animal could live there except for some insect pest species. Which is very unfortunate.
We do not know, in most cases, how far social failure and success are due to heredity, and how far to environment. But environment is the easier of the two to improve.