There is no rational, demonstrable, or defensible reason for a compassionate God to allow any of that. The excuses you will hear for it are either illogical, contradict known facts, or require wildly implausible assumptions for which there is no evidence.
Why would a god allow such suffering in this world? Why are there people with crippling, painful disorders and diseases?
The Atheist Perspective
Should modern mainstream religions be considered cults?
If God has a "divine plan" for everyone, then does that mean he controls humans and animals to meet his plan?
Answers: Atheist, Christian
Why does Jesus say he will reject all those who believe in him as Lord in Matthew Chapter 7 Verse 21-23?
In "The Prince of Egypt", is Moses depicted accurately according to Islam?
Why can't the universe have come from nothing? Why do you insist there had to be a God?
Atheist Why I Am Not a Christian: Four Conclusive Reasons to Reject the Faith Richard Carrier Atheist Atheism: A Philosophical Justification Michael Martin Atheist Sense and Goodness Without God: A Defense of Metaphysical Naturalism Richard Carrier Atheist The God Delusion Richard Dawkins Atheist God Is Not Great: How Religion Poisons Everything Christopher Hitchens Atheist Proving History: Bayes's Theorem and the Quest for the Historical Jesus Richard Carrier Atheist The End of Faith: Religion, Terror, and the Future of Reason Sam Harris Atheist Not the Impossible Faith Richard Carrier