It works if your client knows and can articulate exactly what needs to be made. I imagine that was more common in the 80s and early 90s when most people worki

It works if your client knows and can articulate exactly what needs to be made. I imagine that was more common in the 80s and early 90s when most people working in computer land were more tech savvy (relatively) than your average project manager today. And the market was less “get it out there asap” than it is today.