They must. I can't see any other reason why they would allow this:
http://www.gofuckyourself.com/showthread.php?t=646488
I'm pretty sure Playboy bought GFY and adult.com as a BUSINESS investment.
In my eyes, allowing that is no different than Playboy taking out a full page ad in the NY Times that might look something like this:
PLAYBOY HATES THE JEWS
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Someone needs to put an end to this shit. Playboy, and all it's affiliate companies, will not got another penny of my business as long as they continue to condone this.