Business analyst (BA) at Universal Containers looks at the user stories for a new implementation...

This answer states that estimation is the activity that will be most impacted by breaking down large user stories into smaller stories for implementing Experience Cloud at Cloud Kicks. Estimation is a process of predicting or calculating how much time, effort, or resources are needed to complete a user story or a task. Breaking down large user stories into smaller stories means that the BA divides a complex or vague user story into more manageable and specific user stories that can be delivered in a shorter time frame. Estimation is the activity that will be most impacted by breaking down large user stories into smaller stories because it helps the BA to reduce uncertainty and risk, increase accuracy and reliability, and facilitate planning and prioritization of user stories or tasks. References: https://trailhead.salesforce.com/en/content/learn/modules/salesforce-business-analyst-quick-look/use-user-stories-to-capture-requirements