I never got good at predicting what millions of people will suddenly decide is rational.
In general, I don't know when inspiration will pop up.
As for AIDS, it's a plague. We are human, we get plagues. They come along every so often, kill off two thirds of the population; in the next generation it's a quarter; after that it's a childhood disease.
I love superconductors.
A civilization has the ethics it can afford
The value of a thing is what that thing will bring. -Legal Maxim