It appears for Tehran, economics is no more then a clenched fist. Is there another major oil exporter that says... 'buy our oil or else'. Threatening OPEC... is really winning friends and influencing people for Iran. Isn't it. Tehran has been living in a bubble of it's own making for so long. They believe crude or malicious behavior is a respectable norm. No wonder the Chinese Prime Minister is making a first time in 20 years excursion to Saudi Arabia and Kuwait.
Saudi-led planes hit Houthi-controlled government buildings (Reuters)
from the article: Iran warns Gulf countries not to replace its oil