Beyond the personal interests of the states mentioned above, a JCPOA failure will serve to diminish the pragmatic minds in Tehran and Washington that negotiated it and bolster the voices of the more polarized camps on both sides that prefer a hostile U.S.-Iran relationship. The hardline opponents of the JCPOA in the U.S. Congress, Israel and Saudi Arabia will gain legitimacy and boost their respective standings. In Iran, mistrust of the U.S. will be reaffirmed in the once-hopeful masses and opportunities for further dialogue will disappear.
“Who Benefits Most From a Sabotaged Iran Nuclear Deal,” Seyed Hossein Mousavian and Hesam Rahmani, The Huffington Post, September 7, 2016.