I find the presentation a bit difficult to follow as the full essays are presented on a single page (useful for long reads, difficult to follow if you want to quickly survey the topics). Without even a table of contents.
Even the overview page only lists contributors, without specifying their topic or title: http://www.edge.org/contributors/what-should-we-be-worried-a...
I rather agree with your soapbox preacher assessment. I'm underwhelmed by most of the responses.
Cool, so you don't want to discuss it at all? Or you want to discuss how we shouldn't be discussing anything?
We should just refactor HN and have a single thread where all the really smart people can list all of the links on HN they think are stupid.
What's wrong with that? It brought out some interesting issues to think about.
People without soapboxes would (and did, actually) have dull responses.
"Tell us something that worries you (for scientific reasons), but doesn't seem to be on the popular radar yet—and why it should be. Or tell us something that you have stopped worrying about, even if others do, and why it should be taken off the radar."
I find it silly and vague. They might as well have said "step on your soapbox and preach, brother/sister."