Summary: I have decided to reduce my prediction by 13% from 33% down to 20%. My baseline that the most likely "culprit" of a potential attack on Iran is still that it could be Israel. Growing U.S. irritation with Israel and signals that the administration is pressuring for de-escalation are the main drivers of this downgrade. Recent clashes related to Pakistan have no impact on this assessment. After conferring with Moritz I have decided to maintain these numbers and my assessment. We agreed on our assessments even though we looked at different evidence, which was interesting.
I had originally presented the question of what an “attack on an Iranian nuclear- or missile-related facility” entails. To do so established who the potential “culprits” of such an attack could be. Based on a historical review of recent events, particularly through the Crisis Group’s platform (Crisis Group: https://www.crisisgroup.org/crisiswatch) I argued that the baseline is constituted by four potential sources of attack: Israel, the United States, Saudi Arabia, and Pakistan.
Pakistan: While Iran and Pakistan exchanged drone and missile attacks three weeks ago, no further escalations have taken place since other than a recent raid against insurgents. Pakistan also just greenlight a pipeline project connecting both countries. For this reason, the chances of a Pakistani strike remain low.
Saudi Arabia: A niche but useful indicator that both countries are pursuing a détente was the recent participation of Iranian military officials in a high-profile meeting in Riyadh. Saudi Arabia remains detached from conflict with Iranian proxies in Yemen. I remain confident in this assessment of Saudi Arabia's potential threat.
United States: The Biden administration has shown every indication that it is interested in preserving regional stability in the Middle East. Recent US strikes against Iranian-linked militias remained contained and have not resulted, at least yet, in an expansion of the conflict. The U.S. is now considering sanctions against Iran for providing weapons to Russia, but my assessment is that U.S. strikes on Iran run contrary to the administration's objectives in both Ukraine and Gaza.
Israel: Finally, in this assessment the clearest threat remains that of a potential of a unilateral Israeli strike on Iran. Recent news that Israel is accelerating the purchase of F-35 fighter jets from the U.S. is a potential signal that Israel is raising its strike capabilities. However, the main point here is that there have been clear signals that the U.S. wants an immediate de-escalation, and that it has signaled Israel that it does not support an offensive in Rafah. The U.S. is clearly not interested in wider escalation, and Israel will probably not have U.S. support if it decides to strike Iran overtly. Israel would then face the possibility of a massive missile strike from Hezbollah, a threat that limits Israel's maneuverability of it acts without U.S. backing.
For some reasons the links are not here but they can be found in the previous answers.
Why do you think you're right?
Summary: I have decided to keep my previous numbers unchanged. Recent ceasefire talks currently underway in Paris are a promising sign, but the prevalence of airstrikes sends mixed signals. After conferring with Moritz I decided to raise my YES estimation by 6%. I think that our reasoning was very similar and he was very insightful in assisting me to better think about my numbers. The analysis remains the same, but this was a good opportunity to think a little further about how to use the number allocations for these binary questions. Everything else remains the same.
The recent ceasefire talks that are underway in Paris are a promising sign for this assessment. I still however worry that the continued bombing campaign and the recent news that the death toll has surpassed 29,000 are worrying sign. There is widespread hope that the talks may succeed but I remain cautious.
My main concern in this assessment is that PM Netanyahu may believe that this is not the moment for a deal. U.S. frustration with Israel also signals that they foresee a continuation of the conflict.
Overall I am generally cautious. There is a lot of noise and chatter but I think that evidence for what the result will be is lacking. This may seem like a short answer but I remain generally unmoved by recent developments. There still is a lot of international pressure underway and the U.S. has made it clear that time is running out for Netanyahu. The rapid approach of Ramadan is promising for me.
For some reasons the links are not here but they can be found in the previous answers.
Why might you be wrong?
The main challenge with my assessment, in my opinion, is the lack of evidence on what the current thinking and morale are within Hamas' leadership. This has got me thinking a lot lately, and although different news outlets have made the case that they bending under pressure, I do not know for certain that they are ready to meet all of Israel's demands. I also remain concerned that the Netanyahu administration may derail the conversations in the ultimate pursuit of its maximalist agenda. The recent news that Israel is pushing for settlement expansion in the West Bank tells me that hardliners remain empowered in the cabinet.
Please notice that you can always edit your rationale and add the missing links.