Part of Tips for Software Engineers, the idea is to focus more on the solution and it’s potential problems other than discuss small stylish bits.
When it comes to code reviews, it’s a common phenomenon that there is much focus and long-winded discussions around mundane aspects like code formatting and style, whereas important aspects (does the code change do what it is supposed to do, is it performant, is it backwards-compatible for existing clients, and many others) tend to get less attention. Gunnar Morling