Reading Comprehension (RC) | Re: Proverbial wisdom states that “birds of a feather

I don't understand how C is not the answer in question 1:



Keeping GMAT preferences in mind I can't see how "flawless execution" can be a valid statement. Its so extreme that it usually can't be a correct answer.
Additionally, we're talking about start-ups. In what world can start-ups have a flawless execution when developing a new product?

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