I'm assuming you mean't "why shouldn't". Because a lot of critique in programming is a matter of personal opinion and I see it as impolite to block somebody els

I'm assuming you mean't "why shouldn't". Because a lot of critique in programming is a matter of personal opinion and I see it as impolite to block somebody else's hard work because it doesn't look the way the reviewer wants. Of course, it's a different matter if the code is insecure or something but I really don't care about the extremely fine implementation details.