No reason to stop going to church. Your friend may need to check his OWN faith in God.
+1
What I find so very sad is the fact that so many don’t have the spiritual fortitude to overlook a bad religious leader, be it priest or pope. Christ’s church is not temporal. To sever the relationship with God vis-a-vis his Church is simply playing into Satan’s hands. It saddens me greatly to see people “give up”. In my estimation, their faith wasn’t even the size of a mustard seed.