You hear about failure case studies too. I think it's more of a selection bias, or a narrative bias: they pick case studies that prove a point, the same way you

You hear about failure case studies too. I think it's more of a selection bias, or a narrative bias: they pick case studies that prove a point, the same way you look for and cite statistics and articles to support the point you were already going to make in an internet fight, rather than trying to represent the entire complexity of the domain you're squabbling in.