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by fn1 1404 days ago
Important fact about the waterfall model, that no-one ever talks about:

The authors thought it was important to actually do it twice [0]. Of course, nobody in the big corporate/government world wanted to pay a second time for work that has already be done, so most of the projects failed and continue to fail.

[0] https://en.wikipedia.org/wiki/Waterfall_model#Royce's_final_...