You assume far too much competence from the supposed conspirators. If what you're claiming was truly happening, it would have been leaked and widely reported.

Yet, somehow, no journo covering the world's leakiest industry has been able to break this massive-if-true story.

and you assume these people don't have family offices filled with very well paid competence.

There was a 3 month gap between Matthew Lee raising the flag about unethical accounting practices at lehman brothers and the firm's collapse. My opinion is that we haven't hit the analgous moment yet but we will.