Not on the surface.
What it is, could be compared to a feel-good poke in our eye. They feel they are accomplishing something when they hurt our efforts in any way they can, regardless of consequences. The monetary angle gives them the little bit of justification that they need, but I suspect they will cave if and when things get real dicey.
Excuse me, but enriching uranium while at the same time saying you are going to 'eliminate your country' is a tad more than a feel good poke in the eye.
We are looking at irrational suicide bombers with nuclear bombs.