Imposter syndrome generally requires that you are/were in the role that makes you feel like an imposter waiting to be found out.
There’s an interesting tie between UI/design and a color principle. There’s recognition that an artist may find this gratifying and relevant. But, it’s a limited example not necessarily relevant to all visual artists. As a specific example, these guidelines could easily rolled into UI best practices and require no further input from color experts or artists.
What I was reminded of, was interfaces designed for visual interest with little concern for design principles: Winamp skins, Enlightenment window manager themes and Kai’s Power Tools (https://www.mprove.de/script/99/kai/2Software.html)