1.Traditionally, a prayer for the king was made only if it was someone we liked, or there were secret police informers lurking.
2. How is the IDF protecting anyone. The whole idea of an army was to have a war with the Yismaelim. More Yidden have been killed in the Arab-Israeli conflict than were ever killed by the Arabs in the 1300+ years since the conquered the Middle East. We should being say a bracha for the Bnei Torah in Eretz Yisrael who learn Torah and do mitsvos in spite of the zionists.