The article links to an image of what 'Flirty Fishing' is about. Following that link you can find more graphics produced by the cult leader. This gives a good idea of what the cult is about:

http://www.xfamily.org/index.php/Category:Family_Art

They were not alone in promoting the 'free love' angle. Orange people thought they were in on the same deal, some flavours of Mormonism have the same deal, just so long as you are male. "The devil hates sex but God loves it!' has a certain appeal to it for young recruits...