So they have medical grade uranium facility under a mountain? If that’s all they need, wouldn’t it be easier to just purchase it from a third party instead of investing billions of dollars hiding from Israel?
They have a military base under a mountain, not a uranium enrichment facility.
Building military defenses against crazed, genocidal, racial supremacists who routinely fire missiles at your country seems more like sensible forward planning to me rather than evidence of a guilty conscience.