The seiko story pops to mind:
> ...Genzo Hattori, the son of founder Kintaro, recognized that the existing company structure of both factories was limiting their ability to innovate. In 1953 he decided to install different management groups for the Kameido and Nagano factories and have them perform their research and development independently....
https://www.beyondthedial.com/post/seiko-history-daini-suwa-...
People love to say that reducing Ive's involvement is what righted the ship, but I feel internally there must have been way more management house cleaning that they so massively reversed course with the Macbook line, and the price reduction + increased innovation on the iPhone line.