I also appreciate how positive you were in this article (and indeed generally in your writing). Here we're looking at symbiosis between the PO and SM roles. I have, as SM, unofficially done a lot of PO-ing and it is really enlightening to have tried on both hats.

I think I must have been exceptionally lucky in my jobs to have had good working relationships with product owners such that we managed to support each other and the team to deliver valuable work, often finding strength together against the great hammer of business management in vicious organisations.