Rin

They’ve existed for awhile for people with certain disabilities and further advancements in the field would be great for the people who actually need them, but outside of that niche most people would likely not want to risk a highly invasive surgery and I don’t think they actually care about them.

Male abuse/SA victims. It’s already not taken seriously enough when it happens to women, but when it happens to a guy they get put down even more and told to “man up”. Sometimes even by people who’d support them if the sexes were swapped.