Final answer:
In a Sprint Planning meeting, it is vital to negotiate the scope of work with the Product Owner if the workload exceeds the Development Team's capacity, to ensure the delivery of a high-quality product and to avoid poor design decisions that could impact the project.
Step-by-step explanation:
During a Sprint Planning meeting, when the amount of work seems greater than the Development Team's capacity, the most sensible action is not to overcommit but to negotiate the scope of work with the Product Owner. This means discussing and potentially removing or reprioritizing items in the product backlog. A collaborative approach ensures that the development of a detailed design is realistic and doable within the set timeframe, preventing the situation where a poor detailed design could ruin a good design concept due to rushed work or limited resources.
Agile methodologies advocate for sustainable development practices, and loading more work than the team can handle is contrary to this principle. It's important to maintain a pace where quality is not compromised, as poor design decisions made under pressure could potentially lead to failures in meeting customer needs. Therefore, it's critical to plan a sprint that aligns with the team's capacity to deliver high-quality work.