Well, in theory, they could. But it really depends on the woman herself. Some might be too embarrassed or ashamed of their addictions and fetishes to share. Others might feel that it's a very personal part of their life and not something they want to disclose. Also, the nature of the fetish and addiction plays a role. If it's something that society views very negatively, she might be more reluctant.
It depends. If the stories are written with respect and aim to celebrate black women, then it is a positive representation. However, if they objectify or stereotype black women in a negative way, then it is not. For example, if a story only focuses on a certain body type of black women without showing their other qualities, it might not be positive. But if it shows a black woman as a complex individual with many great qualities, then it is positive.
In stories, women in plastic fetish clothes often appear very bold and confident. The shiny and form - fitting nature of the plastic gives an air of modernity and edginess.
One common theme could be about a particular style of clothing like high heels in women fetish stories. Some might focus on certain hair colors or lengths that are considered alluring in these stories.
One common theme could be the celebration of the unique physical features of black women, such as their curly hair or full lips. Another might be the exploration of their strong cultural heritage within the context of the story. Also, stories might focus on their resilience and strength in the face of various challenges, which is often an attractive and inspiring aspect.
They can add diversity. Some women fetish stories introduce unique perspectives that might not be common in mainstream literature. This can attract different kinds of readers.
Yes, they can be considered part of speculative fiction. Since shrinking is not a normal occurrence in real life, it falls into the realm of the speculative. It often involves elements of science - like a scientific experiment gone wrong causing the shrinking - or magic - perhaps a magical spell that shrinks the woman. So it has elements that are typical of speculative fiction.
One common theme could be the power dynamic. For example, a character might find the idea of a woman being shrunk and thus in a more vulnerable position alluring. Another theme could be the exploration of a tiny world. If a woman is shrunk, she may experience a world that is normally unnoticed, like the space under a couch or between floorboards. Also, there might be themes related to protection or domination, where the shrunken woman is either protected or dominated by the other characters in the story.
A black woman might share a story where she worked with a colleague who had a scarf fetish. He would always comment on the scarves she wore to work. He even once offered to buy her a whole collection of scarves if she would let him take pictures of her wearing different ones. This made her uncomfortable as she realized it was an unusual fixation on her scarves.