The prefer "outcomes to output" is not a "How do be successful? Step 1: Be successful. Step 2: Be successful at purple". I can see the use of such a list for example on a team wiki as a reminder that you don't get credit for writing a 3 page email when a 6 liner would be as useful.

I can see the use of such a list for example on a team wiki as a reminder of what the team considers good practice.