I'm kind of surprised this isn't "a thing". I mean, I'm surprised its 'a thing'. Because, isn't this standard practice - I mean, isn't just a part of the code

I'm kind of surprised this isn't "a thing". I mean, I'm surprised its 'a thing'. Because, isn't this standard practice - I mean, isn't just a part of the coder Creed that you read the code, anywhere and everywhere you can?