Good luck building a chronology for 50+ engineers ahead of time that isn't either horrifically over estimated or instantly wrong.
Waterfall is a pacifier for people who would rather have lies than uncertainty.
Waterfall is a pacifier for people who would rather have lies than uncertainty.
This is the truth. It's painful to see, but some people would prefer to light millions of dollars on fire than admit they don't know.
But the often used CER -> PDR -> CDR -> TRR etc. is damn useful.