Because instead of treating them like creatures of darkness, they have targeted the Teenage demographic to sell them.
Hollywood romanticized them, I guess.
Female romance desires.
Please, this is nothing new.... Ever since Dracula and Interview with a vampire..... Those stories are a hell of a lot older than Twilight or even True Blood.
I don't know how something with Rotten Flesh,or Dog Breath could be $exy. :)
all of the pot cards people are getting for hang nials and other severe illnesses