What is it with most religious Christians judging other people's sins but their own and when you point out their sins, they do mental gymnastics?

Most religious Christians are hypocritical. I am saying this and I'm a Catholic that is not religious. Meaning I don't go to church a lot , shove it down peoples throats, etc but I am still Catholic.

What is it with most religious Christians judging other people's sins but their own and when you point out their sins, they do mental gymnastics?
Post Opinion