The under-engaged Jew marrying “out” is often some place on the trajectory of evaporation out of Judaism regardless of who he marries. If he marries another under-engaged Jew, such trajectory would still be towards evaporation. But by marrying a non-Jew that can connect through Israel and through Zionism, he increases the chances of staying (and his children staying) in Judaism – in Judaism 3.0 (Zionism).
