These urban legends are incredibly common for major companies, and have appeared in numerous forms over the years. Weird thing is, Proctor and Gamble actually seems to care, and today won a lawsuit against Amway employees for spreading false rumors about their ties to Satanism. Amway employees. Yeah. They were awarded $19 million, though I seriously doubt they're going to get that. Maybe they're hoping for these rumors to die once and for all. It is incredible that they kept fighting the case to the bitter end...perhaps they had help from a certain someone...

-Star Tribune: Procter & Gamble wins $19 million lawsuit over Satanism rumors
-Snopes: Trademark of the Devil