Can we say paranoia?
No one should care about computer security because all computers are vulnerable. So trying to secure it is pointless.
The simple fact that most people don't have enough assets or credit to get a lot of problems from ID theft.
Besides the fact no system is secure, the sheer number of people online protects you. If you think about who is targeted for money its going to be businesses, whom may not notice $50K is missing for months.