I've combined everything in my head about weeknotes into one thing, and published it all in one place. It's a new thing called "Doing weeknotes"
https://doingweeknotes.com
On corporate silos:
"Silos are inevitable and unavoidable. They’re a consequence of team-based working. They exist in almost every organisation, and destroying them - even “breaking them down”, which is the stereotypical way of talking about this task - is pretty much impossible"
https://doingweeknotes.com/