The elderly priest notes the child is throwing a tantrum and attempts to comfort him as the parents passively watch. When the crying does not stop, the priest hugs the boy and in a joking tone, says, “Oh dear, oh dear, I'll scream louder than you,” and lightly touches the boy's cheek (slap one, according to some).
traditioninaction.org

The Victim Is the Priest, Not the Baby by Marian T. Horvat, Ph.D.

The video in question, which went viral in late June 2018 on Reddit, YouTube and Twitter shows a priest slapping a child during a …
Magorzatamaria
The priest was wrong, but the old man didn't deserve the brutal comments towards him...he is anold man, and elderly people suffer from many mental and psychological ailments..he is not fit for public priestly ministry, and bishop did well to send the sick old priest into retirement