Sure, I agree with that. But do we have an example of something that is provably valuable? I am genuinely interested: after reading this article, I realised th

Sure, I agree with that. But do we have an example of something that is provably valuable? I am genuinely interested: after reading this article, I realised that there is nothing I can attribute to psychology off the top of my head. I mean, Milgram used to be one, but well...