You can skip to the "The Four-Day Process" at the end to get the gist.
But for people living in an organisation suffering from those problems, reading how other solutions were tried and how they failed is valuable, and it puts things in context of why the recommended approach may work best.
As someone who has been at multiple organizations suffering from planning hell, most of the time the solution is pretty clear but outside factors prevent it.
Our Quarterly PI planning is nightmare but Sales wants to sell the backlog so fighting is different business units fighting over which items should be done and how fast they are done.
It's generally employees meta optimizing for themselves instead of larger business and business is too big for CEO to figure out. Railways career page says they are a team of 27 so CEO/Founder/Whoever has vision in their head and keep steering everyone towards that vision.
However, as Ops type, looks like could be interesting job. Digs further
But for people living in an organisation suffering from those problems, reading how other solutions were tried and how they failed is valuable, and it puts things in context of why the recommended approach may work best.