Catholicism is just one of many Christian sects.
My favorite biblical passage:
21 “Not everyone who says to me, ‘Lord, Lord,’ will enter the kingdom of heaven, but only the one who does the will of my Father who is in heaven.
22 Many will say to me on that day, ‘Lord, Lord, did we not prophesy in your name and in your name drive out demons and in your name perform many miracles?’
23 Then I will tell them plainly, ‘I never knew you. Away from me, you evildoers!’
https://www.biblica.com/bible/niv/matthew/7/
So, the Bible itself suggests that Christ himself foresaw that many evil things would be done in his name and he would disavow such people and deny them entry into heaven.
My personal opinion based on stories like the one below is that, yes, the Catholic Church has lost its way and is giving Christianity a bad name.
http://content.time.com/time/world/article/0,8599,1883598,00...
I'm not Christian. I did attend church for a time in my twenties. I have plenty of criticisms of Christianity myself. It isn't really my cup of tea. I imagine it would have been 2000 years ago when it was being studied in secret in small groups. Now that it is a major religion, it strikes me as more a means to publicly identify as A Good Person.
There are inherent problems with publicly identifying as A Good Person. One of them is that there comes a point past which looking good and doing good part ways. If public identification as one of the good guys matters to you enough, you may well choke when it comes time to stand your ground against the tide of public opinion.
But my personal criticisms of religion do not in any way make me think it is reasonable to claim that religion is purely a source of evil and no good comes of it.