Rather than trying to find out why the GCSB spied on people illegally, the government will change the law so the GCSB's activities are no longer illegal.
Evidently there's something unclear about:
But is it necessary to allow the GCSB the power to intercept and read our various communications? Yes, of course it is. Otherwise, how will Judith Collins know which of our children's cellphones to confiscate?
Jane's Addiction - Ritual De Lo Habitual, 1990