>>7908147If there is an identifiable watermark or a username then it can be cropped or edited out. (Then upscaled if needed.) But any content that is mass dm'd or posted on their walls won't have marks, and it will be saved by too many people to figure out who shares it.
It's only when you request something specific or custom that it becomes easier to work out leakers as that pic/vid has only been bought by a handful of people.
