It gets worse - the Japanese vivisected some of their POWs.
Things of this nature make talk of God
extremely problematic - it means using language to mean nothing

If God is a Saviour from evil, & if being gassed or vivisected is compatible with Divine Salvation, either salvation is meaningless, or it means being handed over to one’s enemies. This kind of thing manifests the
wickedness of God, not God’s goodness.

I would rather believe in no God, than believe that a God with the attributes Christianity gives him can exist. Those attributes leave God inexcusable. So he cannot claim lack of power, goodness, wisdom, etc. - yet these evils have occurred. Therefore, God is wicked, & wholly unworthy of worship.
“Nothing is really new under the sun” - life is vain. Everything’s worthless.
To the rich men, “Let’s all eat, drink, and be merry… for tomorrow we die!”
To the poor, “Suffer and suffer more because you are idiots and reprobates!”
After creation came sin. The more appropriate word for this sin is this - DISOBEDIENCE! And from that seemingly innocent sin came more sins - pride, envy, murders, killings… barbarism… lusts… the works of the devil!. Man had become so corrupted by the devil. So corrupted that he became an abomination to his God. So corrupted that God eventually obliterated him upon the face of the earth by global deluge except Noah’s family.
And from that family began new generations. But human nature remained the same - sinful! And so killings and destructions and wars resumed. The weak against the strong, the slave…his tyrant, the lowly…the powerful, the justs…the traitors. Did God intervene again? No. He said no more. No more flood to destroy again the human race! And so finally human affairs and destinys are decided by humans. We’re on our own. Survival of the fittest!
But…No. That wasn’t the purpose of life. That wasn’t the purpose of intellect and reasons. God has to do something. He must have good reasons why He created us! Yet powerful, He is also a merciful God. He finds ways to save us from our fallen nature. Thus, He sent no angels to admonish us. He sent no kings to overrule and discipline us or robotize us. He sent His ONLY Son to become like us and teach us the way towards redemption from our sinfulness. He sacrificed himself and died on the cross. And His death defeated death itself. He came back to life from death! By His resurrection He showed us that the promise of eternal life is real. There is hope. Blessed are those who believe yet didn’t see. There is hope!
The ways of God is not the ways of man. God didn’t recreate or interfere with our genes… or with everyone’s intellect…or with everyone’s own free will… after Christ ascended into heaven. He sent His Church instead to spread that good news to us - anywhere, everywhere. Good news of love, of truths, of life, of eternal salvation. For us who heeded that call and listened - we changed our ways. Hearts, minds, souls.
But not all of us. Not all of us! And so most people think ‘everything under the sun is still the same’… if they see killings and wars and persecutions. It’s same 'ol, same 'ol! The rich man still eats, drinks, and enjoys.The poor man still suffers and suffers more. The greedy rakes in wealth and rakes in some more. goes on… and on… and on…
What are we to do when we think there is more evil than good? More hate than love? More inhumanity than justice?
What are we to do when God’s words seem not to suffice to comfort us? Seem contradictory to what befall us?
What are we to do when God seems not to care? When He allows persecutions and calamities?
Maybe right before our very eyes?
Blame Him for not doing anything? For not stopping what we call evil?
Haven’t we all read the warnings? That “all these (horrible) things will come to pass” before He comes again? That "heaven and earth shall pass but His words shall not pass? That in latter times there will be persecutions and sufferings not even seen since the beginning of time? That even when people seek death they will not find it? That days shall be shortened because of these?
Just open your eyes. Watch… and observe…
Brother, we are only His creations. Whether we like it or not, whether we suffer or not - we will die and leave this temporary world. Surely as the sun rises from east to west. Pray therefore that when those things happen we are in a state of His grace. For as Catholic Christians - the only way to go back to our immortal beginning is this… perseverance in FAITH and OBEDIENCE… and die like martyrs!
Peace and keep our Catholic Faith!