something in my thought cabinet that I don't have any conclusions on yet: most forms of development planning I've worked with in my career have amounted to some form of acknowledging that you can't accurately estimate complex tasks, but then go and pretend you can accurately estimate small tasks, and precede to make up a set of small tasks, make up estimates for them, click them together like lego bricks, and viola there's your ship date or stack ranking KPIs or whatever
