Why is the P 5+1 agreement with Iran like Obamacare?

Why is the P 5+1 agreement with Iran like Obamacare? Because no one read it until after it was signed. And that's the benign reading....

Iran said it would not make "any further advances of its activities" on the Arak reactor, according to text of the agreement.

"The
capacity at the Arak site is not going to increase. It means no new
nuclear fuel will be produced and no new installations