This is a great look at the benefits of liturgical worship.
Did the angels sing, "Peace on earth, goodwill toward men"
Or "peace among men with whom He is pleased"?
Andreas Kostenberger gives the right answer, I think.
"The bitterness indeed and blasphemy of your words might drive us to a furious and ferocious attack in answer; but we must somewhat curb the reins of our pious sorrow."
John Cassian (ca. 500AD), Seven Books on the Incarnation of the Lord, book 6, chpt 9.