Just noticed that skeuomorphs may happen as a design process. Think about a designing UI for a tool, and there is a wonderful idea how to solve a specific problem in that tool. While going on, you work on more and more functions, you create more solutions for more problem. In the end of the process, you might find out that your beloved idea has become obsolete, because the sum of the other functions solve the initial problem better. More integrated in a workflow, or solving on aspect at a time. And thus, the wonderful idea has become nothing but a skeuomorph, and you don’t want to skip it because it’s so special.