The article touches upon it, but the strategy the director took was a breath of fresh air: choosing talented people, and giving them enough freedom to make something great within their area.
This can be a recipe for disaster depending on the members, but with people who value collaboration it frees the director from micro-management and allows for each area to make their own tradeoffs.
It's all the more coming from left field as the production company (A-1) is notoriously bad at project management and had several scandals in the past about employees dying of overwork for instance.