While there are many imperialist-imposed conditions in the agreement, what is most important is that it has set the stage for the breaking of the U.S. and UN sanctions regime, the purpose of which was to bring about the overthrow of the Iranian government.
The politicians at the time also “knew then what we know now” and it didn’t stop them from launching the war, which was never about Iraqi WMD, Al Qaeda, or any of the other explanations offered by the ruling class.
The meeting was meant to repair what has lately been a turbulent relationship between the U.S. government and its traditional clients in the Middle East. Instead, the meeting ended up publicly highlighting these tensions in an embarrassing reminder of the declining hegemony of U.S. imperialism