I do have one small item I have a remark about...
While I like very much how you added a dimension to the building the right thing / building the thing right tension and put it in a Venn diagram, I do not quite agree with the roles influencing the equilibrium.
Responsibilities will vary of course, depending on the company structure etc. (e.g. the PO might have financial responsibility or the coach may have been called in to find that sweet spot in the middle), but I have invariably found that it is the people living with the (short-mid term) resulting pain that try to pull the balance towards them:
- for building the thing right, that would indeed be: the dev / QA / ops team
- for building the right thing, that would be the end users (or indeed a PO that is skewed towards pleasing the stakeholders)
- for building it fast, in my experience it is most often some financial or timing pressure (this may be "management", a coach, an unnamed elephant in the room, general shortsightedness or even the PO)
I thank you for making me think about this (and for a great video) :-)