This obsession with the sins or supposed sins of other people is an obstacle to your growth in holiness. Many times when we are obsessed with the sins of others we don't see our own sins. Also as the Fathers of the Desert taught, "He who said 'thou shalt not fornicate' also said 'Thou shalt not judge.'"
There wasanother story,
One day the priest ordered a certain sinner to depart from the church. The Abba Bessarion also got up to leave. "I too ama sinner." he said