The Leftist “Siege” would of killing millions from disease, starvation and malnutrition. EVEN then there is NO indication that would of broke the Japanese will
Yes. This is where the leftist argument breaks down completely. They had essentially been besieged since prior to the Okinawa campaign. They were starving. The hardcore Nationalists would have staged a coup, and tried to, if the political will to continue would have been subverted by the “peace faction.”
Even after the bombs were dropped, there were fanatics who attempted to kill Hirohito before he could make his fateful broadcast. If that happened, all bets were off.