I’m predicting an airforce action on the dam. PRC or Russia will veto anything from the UN Security Council. Mark my words. EDIT: as in veto any UNSC response to the strike
There are a couple of reasons this is unlikely to happen. A. The dam already contains more than 4.9 billion cubic meters of water. That along with the wet season rain will mean breaching it will result in catastrophic flooding of Sudan which will result in death and loss of arable land. Each day that goes on, the water level is increasing, after a some time, Egypt itself will face flooding. B. Egypt has powerful mili…
If I was an unpopular regime, I would see this, and feel pretty good about my chances of exploiting it. A war you can probably win against a much more powerful enemy, over an issue you have broad support for, is like a golden goose for an unstable government.
You can be as obnoxious and intransigent as you like, because the negotiations will be behind closed doors, and you'll still seem like you're representing the national interest.
On the other hand, if you're Egypt, a war you will probably lose is also very valuable. It's a good way to rally people around the flag when it looks like it might happen, then if it does come down to it, often 'probably losing' a war is way better than definitely losing a leadership challenge.
So again, the incentives are to be obnoxious and intransigent. You don't want this issue to go away - it's a really good option to have in your back pocket if you get into trouble.
So the politics here are pretty bleak.