The picture symbolizes how Israel took in hundreds of thousands of Jewish refugees and integrated them into Israeli society as full citizens.
This is in marked contrast with how Arab nations treated Arab refugees and other Arabs who fled Palestine in 1947 and 1948. Those people were not welcomed, not integrated into their host countries, and are to this day used as political pawns.
Wednesday was World Refugee Day. The viciously anti-Israel Congress of South African Trade Unions, posted on Twitter the photo of the Jews who are no longer refugees to illustrate the fate of Arabs who the world still calls refugees - still using them as pawns for political purposes: