His ways are not our ways - how can a good God allow human suffering?
No one knows the answer to that, does not mean, though, that God is not good. We just don't have the understanding. Ask Job about that.
John 9:1-3
9 As he went along, he saw a man blind from birth. 2 His disciples asked him, “Rabbi, who sinned, this man or his parents, that he was born blind?”
3 “Neither this man nor his parents sinned,” said Jesus, “but this happened so that the works of God might be displayed in him.