When you buy that Product you are supposed to Read the Terms of Service Agreement. Nowhere in those Terms of Service does it say the Tenants have to be Nude or have Sex.
It's classified Strictly as Adult Entertainment.
I. Adult Entertainment
The Sites offer online entertainment services that may be deemed adult in nature and which may contain graphic depictions and descriptions of explicit sexual activity. You acknowledge that you are aware of the nature of the content provided by these Sites, that you are not offended by such content and that you access the Sites freely, voluntarily and willingly.