> Most deadlines are artificial and self-inflicted.
most software in the world is built by consulting companies for external customers and under their customer's deadline, thus not self-inflicted
most software in the world is built by consulting companies for external customers and under their customer's deadline, thus not self-inflicted
If you fall into the fast -> unexpected -> iteration -> alignment cycle the author mentions, those estimates tend to be based on the 'fast' part only; that closes deals.