In AR or in a "real" 3D environment, skeumorphism could make a lot of sense for manual tasks imo. On 2D screens it's a different story, but even there it helped people to understand technology.
You're training hand eye coordination, and other than the instructor or your master in an apprenticeship, you don't have formed habits through practice. You stand in front of an object you want to interact with, and the ghost basically directs your movement, showing you how to hold or lift components and the ideal posture.
You're training hand eye coordination, and other than the instructor or your master in an apprenticeship, you don't have formed habits through practice. You stand in front of an object you want to interact with, and the ghost basically directs your movement, showing you how to hold or lift components and the ideal posture.