The author proposes that it may reflect the incredible stability we've enjoyed in recent decades, which rewards more conservative "life planning":
> Our super-safe environments may fundamentally shift our psychology. When you’re born into a land of milk and honey, it makes sense to adopt what ecologists refer to as a “slow life history strategy”—instead of driving drunk and having unprotected sex, you go to Pilates and worry about your 401(k). People who are playing life on slow mode care a lot more about whether their lives end, and they care a lot more about whether their lives get ruined. Everything’s gotta last: your joints, your skin, and most importantly, your reputation. That makes it way less enticing to screw around, lest you screw up the rest of your time on Earth.
Just the other day we were thinking about how recent generations have gotten more conservative: https://news.ycombinator.com/item?id=45734620
The author proposes that it may reflect the incredible stability we've enjoyed in recent decades, which rewards more conservative "life planning":
> Our super-safe environments may fundamentally shift our psychology. When you’re born into a land of milk and honey, it makes sense to adopt what ecologists refer to as a “slow life history strategy”—instead of driving drunk and having unprotected sex, you go to Pilates and worry about your 401(k). People who are playing life on slow mode care a lot more about whether their lives end, and they care a lot more about whether their lives get ruined. Everything’s gotta last: your joints, your skin, and most importantly, your reputation. That makes it way less enticing to screw around, lest you screw up the rest of your time on Earth.