This isn’t going to be a popular take, but this is just wrong.
Developers will often plan out a cathedral when what’s needed is a garage. Usually this is due to a misunderstanding of the requirements, or an inability of the requestor to formulate or express them. Also, developers are notoriously bad at forecasting work product and the numbers they deliver usually have a tenuous link to reality.
The conversation that starts with “We don’t have 6 months, how do we deliver this by 12/31?” is ultimately a hashing out of what the requirements are. When it’s a cool tech driven story, we call it “an MVP”. When it’s driven by the business, the author considers it yelling at the weatherman.