Difficult, often clueless stakeholders who have never worked with UX, or well-meaning people who aren’t aware of the difference between UI design and UX – whatever the reason may be, this video (and CUBI UX model) might just help you sell and get buy-in for the full extent of user experience design and user research.
CUBI by Corey Stern: https://uxmag.com/articles/cubi-a-user-experience-model-for-project-success