Reading Comprehension · Question 4 · Hard

What can be inferred about the senior developers who initially complained?

At Kestrel Systems, a mid-sized software firm in Bengaluru, code reviews were once treated as a formality. A developer would finish a feature, send it to a colleague and receive an approval within minutes, often with no comments at all. The arrangement felt efficient until a single unreviewed change to the billing module overcharged nearly two thousand customers in one weekend. In the inquiry that followed, the engineering head, Anjali Rao, found that reviewers rarely had enough context to judge a change and that nobody felt responsible for catching errors. She introduced three rules. Every change had to be small enough to be read in under twenty minutes. Every review request had to explain not just what had changed but why. And reviewers were credited in the release notes alongside authors, so that a careful review counted as real work rather than a favour. The first month was uncomfortable: features took slightly longer to ship, and some senior developers complained that the rules treated them like beginners. By the end of the quarter, however, the number of defects reaching customers had fallen by more than half, and several of the original critics had become the process's strongest defenders.

1. Most of them left the company within the quarter
2. They were exempted from the new rules
3. Some of them changed their view after seeing the results
4. They had written the faulty billing change

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