Yeah, no. I wrote one of the more popular books about Agile development (The Art of Agile Development) and it says right in the first chapter that "meeting requ

Yeah, no. I wrote one of the more popular books about Agile development (The Art of Agile Development) and it says right in the first chapter that "meeting requirements on time and within budget" is not the goal. "Agile teams define success as delivering value, not conforming to a plan. In fact, truly Agile teams look for opportunities to increase value by changing their plans." (p.7) So there's at least one person recommending methodologies who absolutely, positively, 100% does not agree with you. The whole chapter is free online if you want to get out of your bubble: https://www.jamesshore.com/v2/books/aoad2/what_is_agile https://www.jamesshore.com/v2/books/aoad2/what_is_agile