They also bill for child pornography and bestiality. A lot of the cp we found on LeaseWeb servers can be paid for by PayPal. So apparently if you want to use PayPal for getting billed for your adult content, there are 2 requirements:
1) Content needs to be stolen
2) Models have to younger than 18 if human, or they have to be a dog or a horse
Here's proof:
http://www.aboutlswb.org/?page_id=4
(video files were removed by LeaseWeb instantly after publishing the links but the PayPal button is still present on the Oron pages - don't want to post live links to cp and bestiality but we have hundreds on file)