Pish tosh, my dear sir, it's simply common-sense that there are oodles of people out there with secrets that would be completely ethical to distribute and would undeniably better all humankind, but they're sitting on them purely because they haven't figured out how to make a profit from it. /s

In other words, the overlap between these is too small to justify the idea that prediction markets are a net-benefit by default:

1. Is valuable

2. Not already known

3. No current reward mechanism exists (e.g. patents)

4. Not criminal or unethical to disclose