It's like the perfect conterexample, a good DJ needs to have really good taste and constantly listen to new tracks and think about where they can be used.
Designers everyone thinks are more creative than they are. DJs most people think are less creative than they need to be.
Sounds to me like they work out to be the same in this respect, only differing in perception. Both are solving problems with approximately similar levels of caching ideas and techniques and experience, while developing proficiency with similar quantities of tools. They're both generally making their money solving problems with all of that, only occasionally getting a chance to express themselves in some unusual artistic way that most likely won't be a viable income stream until they've really made a name for themselves; save for the rare circumstance they are Aphex Twin
Designers everyone thinks are more creative than they are. DJs most people think are less creative than they need to be.