Why is feedback deemed crucial in the UX design process?

Feedback is considered crucial in the UX design process primarily because it aids in understanding user experiences for iteration. Engaging with users and gathering their insights is essential for identifying pain points, preferences, and behaviors that may not be apparent to the design team. This understanding allows designers to make informed decisions that enhance the usability and overall experience of the product.

Through iterative testing and feedback, designers can refine their ideas, ensuring that the end product resonates with users' needs and expectations. Feedback creates a continuous loop in which insights from users can lead to improvements in the design, ultimately resulting in a more effective, user-centric solution.

The other options do not align with the core purpose of feedback in UX design. Finalizing designs without testing undermines the iterative nature that is fundamental to UX. While simplifying the design process might be a benefit in certain scenarios, feedback does not inherently simplify design—it adds complexity that drives improvement. Lastly, restricting changes can stifle innovation and the necessary adaptations that arise from user feedback, making it less effective in achieving a user-friendly design.