Hacker News Reader

It's a bit like an elephant whistle.

Absence of evidence is indeed evidence of absence. It's absence of proof that is not proof of absence. It may or may not be strong evidence, depending on how likely evidence is, but it is evidence.

Then, the governing body of the United States, which is to say (nominally, anyway) the people of the United States are utterly unable to determine the effectiveness of this organization under their charge. Close it down.