That's a bit like saying there is nothing inherently wrong with cleaning up a dead body, you don't want to just leave dead bodies to sit around and rot, so therefore "tampering with a crime scene" is a "fake crime".
Yet, it is done. Just not always. Obstruction of Justice is a crime. As is failing to report income from a crime, on your taxes.
But the woman who ordered the videotapes of US torture sessions erased was appointed head of CIA, instead of being prosecuted. Meanwhile, the whistleblower Jeffrey Skilling was charged with mishandling information that was only classified after he last touched it.
