Exactly! Your life cycle for software is a design choice just like any other! I don't know how many times I puked in my mouth during software engineering classes in college where we were simply beaten with "Waterfall bad; Iterative good!" in the name of 'No Silver Bullet.' It completely misses the point! The title says it all, if you believe it.
The life cycle of your product needs tailored to its requirements.
The point of police isn't to protect citizens; it's to maintain civil order so that the everyday transactions that define and guide our lives can happen. It's about the flow of goods and services. Sometimes they need to protect citizens to do this. Sometimes they need to protect only one citizen. Sometimes they need to remove a citizen. Sometimes it's not about people at all.
What's always in question is whether or not the people trust the moral authority and responsibility of police.
My sister opened a computer store in Hawaii. She sells C shells down by the seashore.