A lot of optimism towards life and the future (vs old-world desire for a different, better heaven, or the Eastern desire for oblivion) comes from the fact that we are living in a golden age and, for many of those of us who have access to computers and higher learning, golden parts of the planet. For most of human history, life was proverbially nasty, brutish, and short: the shortness was a mercy. Even today, we age; we accumulate psychic injuries as we lose pets, friends, and family and as we accumulate injuries and indignities. It makes one tired, but in...
To some extent, those are also signs of someone low on the social hierarchy (or someone who feels low on the social hierarchy), and a punitive culture that punishes individuals for brainstorming or otherwise being visibly wrong.