Unfortunately, his parents/grandparents must have been among those who refused the offer of Israeli citizenship because they prefered not to recognize Israel. Life would have been different if they had been less rejectionist. There are other countries in the world where residency status is revoked if prolonged periods are spent abroad, eg Canada. There are other countries in the world where citizenship is revoked when citizenship of another country is awarded. In Baka, there are Arab owned properties (that refuse rental by Jews), and there are still many non-Jewish residents of the neighbourhood who did not flee in 1948 and remain in their homes.
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