it's because it's all a bit difficult (if you start from the view that intentionally injuring people during sex can ever be OK. if you start from my, opposite view, the man should be in a police interview room as we speak).
after all, she consented, in writing. most of the population don't understand what it's like to be an essentially homeless young woman who had been starved of love by the sounds of things, and how vulnerable that can make you, especially to a manipulative old man.
I also don't discount the scientology thing. he clearly still has strong financial and family links to the organisation, and they are seriously unhinged when dealing with the press.