Obviously the 99% approval rate is the result of extreme due diligence and strict submission criteria practiced by the covert agencies. On a more serious note,

Obviously the 99% approval rate is the result of extreme due diligence and strict submission criteria practiced by the covert agencies. On a more serious note, the above could be true, though I believe there is plenty of evidence of approved warrants that should not have been. That would rather undermine the thesis.