[po]

A bit of confusion: when I said 'fast with the fire extinguisher', I wasn't talking about users but about Apple. Malware is only practical if you can infect hundreds if not thousands of machines. If Apple can effectively kill malware that is discovered, then it ruins the economics behind it. So to apply my somewhat lacking analogy, even though the systems are horribly vulnerable and there is nothing a user can or should do if a fire starts, nobody is out there going around starting fires because they get put out by Apple quickly, with some cost to them and before the fire is useful.