Isn’t it obvious by now that the EU doesn’t really care about a nuclear Iran? Well, not more than they care about selling goods and services to Iran.
If they can’t survive economically without Iran, they’ve got a huge problem. There’s a world of customers out there, Iran doesn’t have to be one of them. And, funding a state sponsor of terror to the point that would enable Iran to lob a nuke their way makes sense to who?