This is his 3rd article in a “series” on breaking up monopolies. In his first article, he summarizes a book and covers your examples:

https://www.tbray.org/ongoing/When/202x/2020/06/08/Anti-mono...

His second article is about breaking AWS out of Amazon, into a fictional company called A-Cloud. And he’s using Amazon’s own project planning process to do so, though I can’t tell if it’s out of habit or for the mordant irony.

https://www.tbray.org/ongoing/When/202x/2020/06/21/A-Cloud-P...