Opensource.com - https://opensource.com/article/17/12/who-drives-culture-devops
Culture is an important part of DevOps, so many organizations have put an enormous amount of effort into trying to figure out what makes a great team. Google formed an entire initiative, called Project Aristotle, to study this question. The answer wasn’t free lunches, great benefits, or wonderful salaries. Rather, Google’s research determined that culture played a significant role in effective teams, particularly culture around creating physiological safety.