Question: Why does God delay punishment? 

Answer: Delay of punishment is meant for the worst of people, as punishment in the next life is worse than the one in this world.

Question: What is delay in punishment?

Answer:  It is a delay in full punishment, but people see the punishment partially in this world.   

Question: Why are sins like backbiting or lying so bad?

Answer: They erode the trust in the Muslim community, and the community is essential for salvation as it is the spiritual cradle of people.