Considering how much sanctions busting was going on before the deal, that is a very good question....
And consider this, if you’re a had actor with assets who are no longer useful for whatever reason, why threaten to burn tour assets in a way that acknowledgeshe the fact that you had some.
Holy crap. Either the mullahs have lost the few remaining marbles they had, or they are very desperate.
Could the Russians be threatening to bail on Iran...?