It is poor civic hygiene to install technologies that could someday facilitate a police state.
There are two types of encryption: one that will prevent your sister from reading your diary and one that will prevent your government.
If you think technology can solve your security problems, then you don't understand the problems and you don't understand the technology.
You can't defend. You can't prevent. The only thing you can do is detect and respond.
I am regularly asked what the average Internet user can do to ensure his security. My first answer is usually 'Nothing; you're screwed'.
When people are scared, they need something done that will make them feel safe, even if it doesn't truly make them safer. Politicians naturally want to do something in response to crisis, even if that something doesn't make any sense. But unfortunately for politicians, the security measures that work are largely invisible.