“Why should we restore a brother caught in a transgression in a ‘spirit of gentleness’?”
A gentle spirit is appropriate to restoration. Paul gives us one reason right in these first few verses of Galatians 6: Because you or I could so easily make the same error. “Keep watch on yourself, lest you too be tempted,” the apostle writes. He adds, “For if anyone thinks he is something, when he is nothing, he deceives himself.”
“That would never have happened to me” is dangerous thinking, and it makes you useless at the job of helping a fallen brother learn to stand again.