President Donald Trump's decision to designate Iran’s Islamic Revolutionary Guard Corps (IRGC) as a foreign terrorist organization was not just an election gift to Israeli Prime Minister Benjamin Netanyahu, it was a boon for all Israelis.

The IRGC is and has been, without doubt, Israel’s sworn enemy. It has been indirectly responsible for numerous terror attacks against Israeli citizens in Argentina and Bulgaria through Hezbollah. Two of the institutions that were in charge of arranging Iran’s 2016 Holocaust cartoon competition were directly related to the IRGC. As if that’s not bad enough, the IRGC has been planning to create a base in Syria from which to terrorize Israel’s citizens. Now, with the designation by the Trump administration, the IRGC will have to be more careful about how it threatens Israeli citizens around the world and from Syria, as its designation as a terrorist organization will make Israeli retaliation more justifiable.

It's not just Israeli supporters of Trump’s decision to leave the Joint Comprehensive Plan of Action (JCPOA) who will back his recent decision regarding the IRGC. Israeli supporters of the Iran nuclear deal are also likely to back it, as they witnessed how the IRGC terrorized the post-nuclear deal atmosphere during the term of President Barack Obama. Many backers of the Iran deal in Israel were hoping that after the deal, the IRGC would allow Iranian President Hassan Rouhani to reduce tensions with Israel and the West. The IRGC did the opposite: Soon after the deal went into effect, it tested a missile with a Hebrew banner on it that called for the elimination of the State of Israel. It boosted its Shiite militia forces under its command in Syria, while Iran’s supreme leader and the IRGC’s ultimate commander called for the elimination of Israel. Hassan Nasrallah, the leader of Hezbollah, soon after Iran’s frozen assets abroad were released in 2016 as part of the JCPOA, boasted that “Hezbollah’s budget, its income, its expenses, everything it eats and drinks, its weapons and rockets, come from the Islamic Republic of Iran.”

In the long run, Trump’s decision is unlikely to create lasting cohesion among opposing factions inside Iran, something that would have been of concern to Israel. Yes, the Rouhani government issued a statement of support for the IRGC and condemned Trump. And to show solidarity, members of the Iranian parliament turned up in IRGC uniforms after the designation. However, underlying such statements and photo-ops are fundamental differences of views and interests between the IRGC and the moderate faction headed by Rouhani. To name a few of the differences: Iran’s foreign policy in general and its involvement in Syria in particular, as well as management and control of the country’s economy and economic resources. Therefore, the apparent cohesion created by Trump’s decision is unlikely to last in the long term.