Generating continuous feedback from the project team, and adjusting the requirements and deliverables accordingly is a key principle of Agile methodology. It allows for iterative and incremental development, which can lead to a successful implementation of Service Cloud. Verified References: : https://trailhead.
salesforce.com/en/content/learn/modules/agile-basics/agile-basics-principles : https://trailhead.salesforce.com
/en/content/learn/modules/agile-basics/agile-basics-methodologies