The people who created this rumor, in other words, employed it as a way of convincing prospective buyers to purchase their detergent instead of Tide because Tide worships the Devil. That seems hamfisted and over-the-top doesn’t it? A vaguer, less extreme rumor might have seemed likelier to work better — something subtler than the ultimate trump card of claiming that P&G was literally in league with Satan.

But the rumor was effective. Spectacularly effective. It went viral years before most of us had ever thought to use that term that way. And it lives on, still surfacing and resurfacing after decades spent trying to kill it through truth-telling dossiers and aggressive litigation.

False Witnesses