And Wikipedia tends to disagree with you. The issue is more complex and you cannot blame only one of the parties for the outcome.
So your solution is to drop an “atomic bomb” over Gaza in order to get their unconditional surrender? And ”atomic bomb" here is a metaphor. Did it cross your mind that WWII could have been avoided if the treatment of Germany wasn’t so unfair after the WWI and putting them to a corner, desperate people choose desperate solutions, and I strongly believe that if Gazans were treated better, Hamas would have never been elected.
Think about it. And your link with Japan is really terrible, as they had been subject to fire bombs, two atomic bombs, so don’t repeat past mistakes.