It is a culture thing. People who receive reviews that address issues of design, structure, maintainability, and abstraction will learn to do the same for other

It is a culture thing. People who receive reviews that address issues of design, structure, maintainability, and abstraction will learn to do the same for others. This is hard to establish but once it is there it sticks. Early stories about how some Googlers managed to shift the entire company to seeing code review as normal and expected are fascinating. Google also has documentation, guidance, and training on how to review code effectively.