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That's not at all the conclusion of the article you linked to. In fact, that theory is discounted by it. > Price points out, however, that none of these theories fully accounts for the taboo. Pig-rearing, after all, had existed for thousands of years in the region, even in times of drought, and many types of meat can harbor the larvae that cause trichinosis. > For Price, the key piece of evidence is the sole reason given for the taboo in the biblical text—the fact that the pig “has hooves and does not chew its cud.” In other words, it’s unlike ruminants. He argues that this harks back to an era when the Israelites were simple pastoralists. As their descendants settled down in towns and cities, raising pigs became a more viable option. “This detracted from the fantasy of living like their ancestors,” says Price, prompting Judean priests to ban eating pork. > Rosenblum argues that the pig taboo only gained special status with the invasion of the Levant by the forces of the Macedonian ruler Alexander the Great in 332 B.C. These European conquerors enjoyed their pork, and pig consumption in the Levant soared. So did tensions between Judeans and their Hellenistic rulers, including the Ptolemaic kings of Egypt and the leaders of the Seleucid Empire based in today’s Iraq. |
Although the article is a good one but the conclusions can be misleading because it's biased toward archeological evidences that most probably did not tell the entire story.
Just like the history of people migration you simply cannot rely on one aspect of archeological evidences alone by ignoring genetic and proto-languages, for examples.
The same with dietary constraints and prohibitions you need to take into account other evidences for example religions together with the other archeological evidences.
Although the article mentioned religions early on but it kind of dismissed them at the end. For me it's rather myopic view and incomplete methodology of doing research since you need to take every relevant aspects into account for your valid conclusions especially the other important factors in dietary constraints in this case the religious prohibitions.
[1] The Origin of the Pork Taboo:
https://news.ycombinator.com/item?id=43418499