It’s possible for designers to become too attached to a mockup, but it largely depends on how the mockup is used. If it’s seen as a final representation of the idea, then yes, it could limit creativity or flexibility. However, mockups should be viewed as tools for exploration, not fixed designs. They’re a way to test different possibilities and present ideas https://skyryedesign.com/inspiration/using-mockups-for-publishing/ , not necessarily the end product. The key is to stay flexible and open to changes as the project evolves. Mockups are valuable, but they should never replace the iterative design process.