The importance of code reviews depends of where you work and about how serious people making it are.
As I see from where I am, code reviews at least tends to bring the code to be easily readable by anybody as it is made to enforce the programmer follow the rules set by the company. As for the cost of code reviews, you can manage them. Some part of it can be made with some script (parsing through files, check for unused variable, compute comment / code ratio by function,...) to gives some hints to the reviewer to speed up is process and perhaps find something.
As for now, you are working on non critical PC software but when you are on some low memory, old crap machines, you like to check if there is any memory leak, or at least memory fragmentation. those can be found with a code review before being found by a user (but yeah, the programmer should find it and fix it before he commits his code).
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The importance of code reviews depends of where you work and about how serious people making it are.
As I see from where I am, code reviews at least tends to bring the code to be easily readable by anybody as it is made to enforce the programmer follow the rules set by the company. ...) to gives some hints to the reviewer to speed up is process and perhaps find something.
As for the cost of code reviews, you can manage them. Some part of it can be made with some script (parsing through files, check for unused variable, compute comment / code ratio by function,
As for now, you are working on non critical PC software but when you are on some low memory, old crap machines, you like to check if there is any memory leak, or at least memory fragmentation. those can be found with a code review before being found by a user (but yeah, the programmer should find it and fix it before he commits his code).