>So either it is next to impossible to begin doing it (seems like a bizarre conclusion), or, perhaps more likely, nobody wants to do it, and the few dev teams t

>So either it is next to impossible to begin doing it (seems like a bizarre conclusion), or, perhaps more likely, nobody wants to do it, and the few dev teams that do manage to do this have not managed to turn that into a competitive advantage. Which makes the value of TDD rather questionable based on simple evidence. Or the competitive advantages it offers do not align with the competitive advantages our society currently selects for. These days it seems that short term profits are the primary factor selected for and that users tend to go with the first to market until it has a significantly worse experience. >But without going into any of those, the sheer fact that it's __this__ rare in practice says a lot, no? It's a bit like how good security is a rare practice, as good enough security is much cheaper and the cost of security incidents is generally not as large as they should be (for example, data breaches have most of their costs pushed onto the victims of the data being leaked and not the collecting company that was breached).