However, at the heart of this is an economic truth, assuming for a moment that shopping is indeed for some set of the population a social activity rather than a hunt for desirables.
At the moment Egypt is something of a stronghold - about 10% of the population are Copts - descendants of the ancient pre-Muslim inhabitants of the country.
The actual moment when a "daughter" species can (or will) no longer cross-breed with the population from which it sprang (the definition of speciation) is almost impossible to pinpoint, let alone to witness.