@Joria:
I know you have a strong dislike for the vampires and probably haven't played much with them around. It's really not very hard to just ignore them. They aren't much different from any other Sim around town. They just look different. They don't approach your Sim and try to drink or anything. At least not that I've seen. They act like any regular townie Sim except they are prone to dying at any time because they don't have sense enough to eat a plasma fruit. I'm playing my first vampire family right now, mostly to do testing. The only difference for me as a player is that they have to drink plasma juice or eat plasma fruit instead of regular meals, and I have to be careful about taking them out in the daytime. It's mostly just a nuisance because they can get a whopping -50 moodlet for 3 days if they stay outside too long. Other than that, they are just Sims with some extra stuff they can do (read minds, skill super fast, etc.).