Varun's response begins with a request for clarification, which indicates a lack of confidence and preparedness to address the question. This approach detracts from his credibility as a candidate for a senior role. In contrast, the benchmark response effectively demonstrates a clear understanding of how to leverage Magento's capabilities for enhancing customer engagement. Varun should have focused on discussing specific features of Magento that he has used to tailor customer experiences, similar to how the benchmark response highlights personalization and integration with CRM systems. A more confident and direct answer would have showcased his expertise better.