Nassim Taleb and Adam Tooze say it's not; I disagree. Just cuz' a few experts issued a warning, doesn't mean the disaster was predictable or preventable...
re " policymakers don’t get rewarded for working on long-term trends" Which is why I hope you don't waste your life hoping to become one. :) Or a pundit, for that matter, even though I suspect you would be highly successful. There are much more creative (and challenging) possibilities out there to work on. You need to take time to explore them before going off on one direction or another. In my humble opinion anyway.
re " policymakers don’t get rewarded for working on long-term trends" Which is why I hope you don't waste your life hoping to become one. :) Or a pundit, for that matter, even though I suspect you would be highly successful. There are much more creative (and challenging) possibilities out there to work on. You need to take time to explore them before going off on one direction or another. In my humble opinion anyway.