Rabbis who have nationalistic motives above spiritual motives are not Jewish rabbis, they are nationalist rabbis. The religion of Israel is nationalism, not Judaism. It is an example of the paradox of trying to go from religion (a group activity) to spirituality (an individual pursuit) and instead ending up in merely another religion (i.e., nationalism).
U.S., allies stage 20 strikes against Islamic State in Iraq (Reuters)
from the article: Any bastard can be a rabbi