Four Months After Its Founder Died, Nizam al-Tayyibat Is Bigger. That Is the Part Worth Studying.

Hamdi identifies two further drivers worth naming. The system functions partly as a food protest against economic conditions people are already unhappy with, which is why it flourished in a period of visible price pressure on eggs and poultry. And it trades on genuine disappointment with medical institutions, offering something fast and cheap in place of something slow and expensive.

Why does it survive its own failures?

Because the design places every failure on the follower.

Egyptian outlets have carried a series of accounts from families. In one, reported by Masrawy in April, a lupus patient stopped corticosteroid treatment abruptly. Her recorded blood counts, described by Professor Abdel-Qawi Moghazi, a rheumatology professor at Kasr al-Aini, fell from a white cell count around 4,000 and platelets of 154,000 to a white cell count near 300 and platelets around 7,000. He called stopping that class of drug suddenly a medical disaster, because it requires gradual tapering under supervision. In another account, a kidney patient whose enzyme readings had been stable for years deteriorated to the point of ongoing dialysis.

These are testimonial accounts carried in the press rather than findings from a completed inquiry, and they should be read that way. What is consistent across them is the response the families describe receiving when they reported deterioration: a question about what the patient had eaten. Cheese. Courgettes. Something.

That is the mechanism. If the system works, the system is vindicated. If it fails, the follower cheated. A claim built that way cannot be contradicted by any outcome, which is exactly what makes it unfalsifiable and therefore unscientific, whatever else it is. The most dangerous expression of it, the advice that led people to stop insulin, is covered separately in our account of how that turned into emergencies.

Has the medical establishment changed tactics?

Yes, and this is the most encouraging development of the summer.

In July, Professor Mohamed Ali Ezz El-Arab, professor emeritus and founder of the Liver Tumour Unit at Egypt's National Liver Institute, published a detailed reading of the system that neither mocked it nor banned it. He conceded what it gets right: reducing ultra-processed food is genuinely associated with lower risk of obesity, diabetes and heart disease, it aligns with World Health Organization guidance, and limiting processed meat is supported by the international cancer agency's classification.

Then he took the exclusions one at a time. There is no basis for removing leafy vegetables from the diet of healthy adults, against WHO advice to eat at least 400 grams of fruit and vegetables daily, and against evidence on folate, vitamin K and the vascular effects of dietary nitrates. There is no high-quality evidence for a blanket exclusion of dairy. Modern meta-analyses do not support excluding eggs for healthy people. Guidance recommends moderating poultry, not eliminating it.

Conceding the strong part of an opponent's case before dismantling the weak part is the only approach that has ever moved people who feel condescended to, and it is the approach we took in taking the system's better arguments seriously.

What has the hype actually cost?

Three things, in ascending order of how long they will last.

Individual harm, concentrated among people with chronic conditions who stopped supervised treatment. This is the immediate cost, and it is the smallest number of people.

Damaged consultations. Physicians across the region now spend part of their appointments negotiating with a food list. Every patient who arrives having already decided that prescriptions are a business model makes the next consultation harder, including for doctors who never heard of any of this.

A proven playbook. The episode demonstrated that a credentialed doctor, sacred vocabulary, a simple food rule and a grievance about institutions can reach millions, outlast a professional striking-off, survive a state ban, and grow after the founder's death. Nothing about that combination was specific to this man or this list. The next one will not need to invent it.

The practical defence is not a better ban. It is the habit of asking, before adopting any regimen, what evidence would have to appear for its advocates to change their minds. That question is set out in full in our guide to judging a diet claim, and it is the one thing the tayyibat frame has no answer to.