"Because he acts recognizably like the other Sherlocks," says Juliet, "even though he's a vampire. Sort of like Golden is recognizably like us even though she is a vampire, albeit one that doesn't usually come with a soul renovation. When I hear things about other Sherlocks who aren't vampires, I don't have to take them with a clove of garlic because vampires are usually evil - and then, insofar as my Sherlock is similar to those Sherlocks, I can assume that he will continue to be so."