If contrarian debate includes technical debate, I learned that I enjoy reading the counter arguments for programming solutions that I'd probably not learn about, if for any reason I am by experience or knowledge or style or ability, the longer in tooth or lesser as is inevitable in this Cambrian explosion of the web, if I'm going to instinctively assume that I would take another approach to the similar goal. Learning about the depth and even shallowness of the industry that touches large database installations has been most eye opening, in a good way, to this fifth decade enterprise maven. This, and comparing my experience with start-up in the early nineties, and generally the sheer variety of voices, keeps me returning