Firstly, some current OF Pictures:
And regarding this: not surprising, to me, at all, since Bri does send out individualized copies for all PPV (fulllength) videos. I.e. if someone were to share theirs, it'd be watermarked with their own OF name and date of purchase, allowing anyone who finds it, down the line, to sue them for copyright infringement ;)
EDIT: See the video in the bunkrr link in this post, for an example of the watermarks:
https://simpcity.su/threads/bri-br4t.106328/post-2997091 (in this case, it seems to have been a throwaway account... but still, it was linked with a payment card... so, person likely identifyable...)