There is no such thing as innocent civilians when you make your leader a false god, and then perpetuate it. The entire society did that.
Secondly, the Japanese strategy was to bleed the US and allies for better terms. They knew they had lost even before Okinawa or Iwo Jima fell. They refused.
Lastly, the US showed great restraint by not dropping one on Tokyo, which any other nation would have done.
Yes, even the infants.