Egypt achieved it’s goal during the war it was never to regain the sinai by force but to force israel to the negociation table

Israeli policymakers and intelligence officials also believed that Sadat desired only to boost the Arab bargaining position. Hafez Ismail was to meet with Henry Kissinger on 19 May 1973.Israel felt that Egypt was particularly frustrated by the continued stalemate, especially related to the negotiations concerning its lost territory. Egyptian hopes of renewed Soviet support were also a source of disappointment, as the Soviets became wary of balancing its position between Egypt and the United States. Instead of picking up on various clues that Sadat was becoming restless about the deadlock, David Elazar, the Chief of State of the Israel Defense Forces, stressed that the Egyptian activity was merely meant to raise Sadat’s clout during the 34 Parker, Richard B. The October War: A Retrospective. Miami: University Press of Florida, negotiations between the superpowers and Israel. Thus, any military exercises held in Egypt were perceived as being part of Sadat’s tactic to create a menacing atmosphere before the talks and serve to increase his bargaining power.

https://www.cia.gov/readingroom/docs/2012-12-10D.pdf