Maybe S&P should fix its own credibility debt first?
https://www.bloomberg.com/news/articles/2015-02-03/s-p-ends-...
China has over $20 trillion saved, S&P calls it a debt problem and downgraded their credit rating.
US has about $20 trillion debt, S&P is totally happy about it and gives it a triple-A rating.
https://www.bloomberg.com/news/articles/2015-06-25/with-21-t...
https://www.treasurydirect.gov/NP/debt/current
S&P is still the same old S&P, it didn't change in the last decade.