The "rating agencies" have unimaginable power and as long as the purchasers believe in them they will continue to do so NO MATTER WHAT THEY DO.
The government agencies charged with some degree of authority to detect and deal with corruption of this sort have functionally granted all these guys a waiver. That's the sort of "absolute power" ~ the granting of waivers ~ that precipitates total corruption.
The Obots have no idea that there's anything wrong ~ nor can they.