That only works against nation states. After what Israel have done in Gaza there's thousands of people who have lost family in a gruesome way and now have an axe to grind against Israel. This way it'll never stop.

The best way to prevent terrorism is to not give people reasons to want you dead.

Look at all the ethnic conflicts in the world. Like the troubles in Ireland. Did that stop because one side threw more bombs? No, it stopped because both sides agreed to talk.