I come at the same conclusion after analysing Hasura's PR review process and reading these articles
https://thinkinglabs.io/articles/2022/09/17/the-practices-that-make-continuous-integration-team-working.html
https://thinkinglabs.io/articles/2022/09/25/the-practices-that-make-continuous-integration-coding.html
https://thinkinglabs.io/articles/2022/09/28/the-practices-that-make-continuous-integration-building.html