Because you haven't gone under the knife, and Moriarty doesn't employ idiots. Of course, if they did get it wrong, they're probably all dead or dying and you've got nothing to worry about until she can respin her web after her temper tantrum.

[Alright, the last bit's reaching slightly, but she says it convincingly. If Irene's not in Paris when she gets there, she knows singling out Moriarty's operatives is going to be much more difficult. There's a certain camouflage inherent in her networks; they're near impossible to spot when they aren't moving, and even then, you've got to know where to look.

In fairness to her, she hasn't actually realised she's asking Irene to be bait—or at least, she's not grasping the full implications of it. She does think running's not going to work. She also thinks it's not going to be conducive to getting answers. A beat, and she tries—]

Based on recent patterns, I'm obviously not trying to get you killed.

[Which is how Sherlock Holmes asks you to trust her.]