Iran on Saturday night launched a large wave of attack drones from its territory toward the Jewish state, in the first-ever direct attack on Israel by the Islamic Republic, with warning sirens activated in Israeli communities throughout the country early Sunday as the military worked to intercept the Iranian aircraft.
Footage of the Iranian attack over Jerusalem’s Temple Mount/Haram al-Sharif
there are more answers to this. just to name a few:
the economic imbalance just forces the other side to act more quickly