The people who decide if it's okay are the ones with nuclear weapons. They are the ones who built and enforce the framework for determining what "okay" even means. That's why nuclear weapon acquisition is so powerful. And why it's so fiercely protected.
The framework to deal with non-proliferation depends on the states involved voluntarily participating in the framework. Iran was not doing so.
There are numerous countries that enjoy paranuclear status who have had no problem not lying to the IAEA.
You cannot place blame for this outcome on anyone other than Iran, they made the move entirely of their own volition. Once you open the door for consequence, you don't get to choose how it is handed out.
The framework to deal with non-proliferation depends on the states involved voluntarily participating in the framework. Iran was not doing so.
There are numerous countries that enjoy paranuclear status who have had no problem not lying to the IAEA.
You cannot place blame for this outcome on anyone other than Iran, they made the move entirely of their own volition. Once you open the door for consequence, you don't get to choose how it is handed out.