I believe we have to differentiate here. The first point is, that contrary to the propaganda disseminated by hostile powers and the Iranian exiled opposition grouplets, the phenomenon is far, far less widespread in Islamic Iran, than in most liberal secular societies, be they developed or developing.
The same holds true of the international human slavery market, in which Iranians, thank God, are very much under-represented, in comparison to any other comparable population one can think of (Arabs, Turks, Chinese, Japanese, Americans, Europeans, Russians, Brazilians, etc). We have to thank the Islamic Republic and its security forces for this.
However, and I believe this is what Dr. Abbasi had in mind when he held the above speech, Iran being an Islamic Republic, even a single example of an (Muslim) Iranian citizen being abducted and enslaved by international mafias and sold as objects to foreigners (possibly with the support of the CIA and Mossad, who aim to target the very fabric of Islamic culture in Iran), is too much, and cannot be tolerated. And as long as there is even a single Iranian citizen engaging in such activities, the fight against this form of corruption must go on, and gain in intensity.
Namely, in their dealings with the UAE, Iranian authorities should bring this issue on the table, and pressure Abu Dhabi, which is acting in an un-Islamic way, because it has legalized and institutionalized prostitution on a large scale. This fact should also be brought to the attention of Muslim public opinion, and encourage Muslims to distance themselves from the sell-out UAE regime.