The writers are writing human beings, and they're writing about the human condition and how difficult it is to function in that condition. I think it's one of the charms of the show, the idea of redemption and working towards becoming better people, for everybody involved.
Our food is safer and our diets are more diverse than ever before; production methods are becoming increasingly sustainable, clean and efficient; and we are constantly becoming better at protecting biodiversity.
Enlightenment is a destructive process. It has nothing to do with becoming better or being happier. Enlightenment is the crumbling away of untruth. It's seeing through the facade of pretence. It's the complete eradication of everything we imagined to be true.
If you're a manager and you're stuck doing the same thing year after year, you're going to get stale and not know how to motivate people. Part of becoming better at what you do requires challenging yourself on a constant basis.