Maybe it is natural, but instinct isn't always best. All you need to see is that its obvious that if you don't have continuous design/stakeholder feedback you

Maybe it is natural, but instinct isn't always best. All you need to see is that its obvious that if you don't have continuous design/stakeholder feedback you can spend a lot of resources building the wrong thing. A lot of work is put into preventing this. The cargo culting and snake oil sales exist but its just a fact of life not exclusive to agile methods.