The Case for Not Shooting in Auto ISO

I remember years ago when the Auto ISO setting came to Fujifilm cameras and how so many photographers and journalists simply embraced it. Those folks probably hadn't shot film. And I'm probably in the minority, but when I shoot in a film-like way, I often lock my ISO to a traditional film ISO. In fact, I often don't want to shoot above ISO 400 if I can avoid it. At times, I shoot at ISO 800 or even up to 6400. But rarely is it above that. But so many photographers who shoot in natura...