> If you have three reviewers, no one feels personally responsible for checking it line by line and thinking about the code in depth. Instead a cursory glance s

> If you have three reviewers, no one feels personally responsible for checking it line by line and thinking about the code in depth. Instead a cursory glance seems acceptable, because, after all, other people are looking at it. There is no way I am looking at every single line, and even if I did it doesn't mean I understand the code.