Why do people do UX design?

Why do individuals and organizations alike invest time, resources, and effort into UX design? Is it purely driven by the desire to create visually appealing interfaces, or are there deeper motivations at play? Perhaps it's the understanding that a well-designed user experience can lead to increased user satisfaction, higher conversion rates, and ultimately, a more successful product or service. Alternatively, could it be that UX design is a way to differentiate oneself from competitors in a crowded marketplace? Whatever the reasons may be, it's clear that UX design plays a crucial role in the success of digital products and services. But what are the specific factors that drive people to prioritize UX design, and how can they ensure that their efforts are yielding the desired results?