All your obfuscation doesn't change the facts of 1953. Nobody has to take my word for it or yours. Search Operation Ajax and anyone can read for himself what we had to do to get the shah to go along with the coup that put him in power and what our agents thought of him as a person. It's an ugly picture, one you wish you could erase, but facts are facts.
With all due respect, then was then and now is now. What we did in the 50s in Iran was in light of possible Soviet moves. Today it is religious fanaticism. The relevance of history is to assess probabilities and risks of today. The key in the current situation is to identify fissures within the central powerbase and exploit them while loading up to eliminate the technology basis of the threat.