I rather liked the graphs, made up as they were. It clarified something observable in real life projects gone wrong: in order to partially cover up for a badly

I rather liked the graphs, made up as they were. It clarified something observable in real life projects gone wrong: in order to partially cover up for a badly slipped schedule, new business requirements get added on. "We were late, but we did so to release an even better product to our customers." Unfortunately the inability to scope a project correlates with an inability to manage ad hoc requirements and the ensuing arbitrarily raised expectation.