> Maybe because outside...

I explicitly acknowledged this in the very next sentence. The difference is that you assert this as a fact (for which you have no evidence) and I state it as a possible explanation.

> The problem with this line of reasoning is that it's not falsifiable.

And for the same reason the claim that terrorism is not a problem due to lack of sufficiently motivated terrorists is also not falsifiable. Hence my suggestion that the government scale back their anti-terrorism [spying] operations and see what the outcome is.

> we need more transparency and less secrecy from our government

Agreed.