I never said it was useless, just that it fails at this specific problem. One of my complaints with many of these image generation tools is that there's not much communication as to what should be expected from them, nor do they explain the areas where they're expected to succeed or fail.

Recently Claude began to allow generation of SVG drawings, and asking it to draw a unicorn and later add extra tails or horns worked correctly.

A fork exists in physical space and it's pretty intuitive to understand what it can do. These models exist within digital space and are incredibly opaque by comparison.