A good many humans, judge others not based on God's Law but based on the perception of God's Laws that we have been raised to believe or through study or experience have come to believe.
What religion you are doesn't matter. You don't even have to have a religion to come to The Lord. Everyone comes to The Lord eventually, even atheists.
Suffering is meant to teach a lesson. Whether the lesson is meant for an individual, a group, a culture, a nation or a planet depends on the suffering. The nature of suffering is that it shall continue until the lesson is learned.