Doerr learned OKRs from Andy Grove at Intel and spent a career installing them elsewhere. The book’s argument is narrower than “measure things”, and the distinction matters.
What makes a goal binding
“Peak performance is the product of collaboration and accountability. An OKR culture is an accountable culture. You don’t push toward a goal just because the boss gave you an order. You do it because every OKR is transparently important to the company, and to the colleagues who count on you.”
— John Doerr, Measure What Matters Read closely, that is a claim about visibility, not measurement. What makes a goal binding is that other people can see it and would notice it being missed. A private metric produces none of that.
Where to be sceptical
Two things.
The case studies are survivors. Google, Intel and the Gates Foundation adopted OKRs and succeeded. Organisations that adopted them faithfully and failed do not appear, so the book cannot tell you what the system’s actual hit rate is — only that it was present at some notable wins.
Transparency has a cost the book underweights. Making goals visible makes shortfalls visible too, which changes what people are willing to commit to in writing. Doerr treats stretch goals as a cultural choice; in practice, the same visibility that creates accountability creates an incentive to set targets you are confident of hitting. The book acknowledges this and does not really resolve it.