2 Corinthians 7:9 ~ "As it is, I rejoice, not because you were grieved, but because you were grieved into repenting. For you felt a godly grief, so that you suffered no loss through us."
The goal needs to always be repentance, because repentance brings people back to God.
Retribution will push people away.
Roughly 1 minute considering verses of the Bible, and I, a dad, would explain them to my sons.