By justifying the call on theological grounds and drawing on a parable of Omar Ibn al-Khattab, one of the 7th century's first four successors of the Prophet Mohammed, widely viewed by even the most conservative or militant Muslims as the righteous caliphs, Sheikh Ali Al Qaradaghi made it more difficult for Qatar and other Gulf states to justify evading radical labor reforms.
Opponents of the Iran deal have been unable to produce a viable alternative. That is because there really are no alternatives left. Should the Iran deal collapse under the weight of spoilers like Schumer, Iran will get a nuclear weapon. And once Iran achieves and announces that capability to the world, no expert will be able to foresee the consequences.