William Burkitt on 2 Corinthians 7:12

Here our apostle tells them, that he did not write so passionately and severely to them, only or chiefly for the incestuous person's sake, who had done the wrong, that he might be punished, not for his sake that had suffered the wrong, namely, the injured father, out of a particular kindness to have him righted; but that his general care, solicitude, and concern for them, the whole church of Corinth, to remove sin and scandal from them, might appear unto them.