Did it ever occur to you, oh pea brained little oik, that the reason terrorist acts are relatively rare is because the security services are busy 24/7 trying to prevent attacks?
Quis custodiet ipsos custodes? The constitution says, "The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized." Do you believe that we should be willing to shred our basic law in order to protect against terrorists? The NSA appears to have systematically ignored the constitution. The necessity of which to protect against terrorists is not obvious, the amount it helped is not really known generally, and the dangers to our future when such vast information gathering is in the hands of people we should not trust too thoroughly is also unqualifiable.
What makes you unpersuasive is your certainty that you have the answer to these concerns. Yes, I've considered your perspective. Maybe you should give credit to the idea that there are other perspectives that warrant more consideration than your exasperated "good grief" suggests you've given them.