I disagree completely. Although I'm not sure about what, exactly, but it's tradition.
I can offer you the traditional list of things to do when people don't find my sallies of discussion altogether to their liking:
1) say I don't know what I'm saying
2) hint that if I were properly educated I would never say what I've said
3) suggest I read what I'm referring to (this would work since I haven't read any Twilight books or any Anne Rice)....but I'm merely claiming to have heard of vampires and not to have found them all that interesting
4) point out that I'm getting pretty far from what the OP was getting at
4) seems reasonable. Is a Freudian critique relevent to Theological concerns? Perhaps not at first glance. But I invoke Mary Douglas
Purity and Danger...anyway she wrote about Leviticus:
http://en.wikipedia.org/wiki/Mary_Douglas
5) But what does that have to do with Freud? In a nutshell, Freud's analyses look at the emotional qualities of symbolic constructs and that's where we are right now with Leviticus and Vampires.