The skill required to tell a good fake from a bad one is different from the skill of a photographer who doesn't need to worry about e.g. hands being messed up,

The skill required to tell a good fake from a bad one is different from the skill of a photographer who doesn't need to worry about e.g. hands being messed up, but it's still a special skill just like prompt crafting. Stock photographers can move into that, or into strategy.