I enjoyed this article by Matt Gallivan, Experience Research Manager at AirBnB, about the tendency of experts to overgeneralize their knowledge. I try to watch out for it in my own life: When you’re an expert at one thing, it’s so easy to think you know more than you do about other areas.
Excerpt:
Because if you’re a UX researcher, you do yourself and your field no favors when you claim to have all of the answers. In the current digital product landscape, UX research’s real value is in helping to reduce uncertainty. And while that’s not as sexy as knowing everything about everything, there’s great value in it. In fact, it’s critical. It also has the added bonus of being honest.
Somewhat related, here is a fun page analyzing where and why AirBnB succeeds at usability.