Healthy porn for men - deconstructing dog-whistle concepts in k-pop

Recently, a producer of the idol TV show "Produce 101" came out and openly admitted what I'd already known and had been telling people for years - that the show (and by implication, all idol groups with a similar theme) is basically jack-off material, or "healthy porn for men" as he describes it.  Several people were shocked - could this be true?  How come they hadn't noticed?  More importantly, how to identify this "healthy porn"?  Come on a journey with Kpopalypse into the world of dog-whistle concepts!