Still, you can criticize it, condemn it, call it out for its moral/ethical failures, or institutional corruption and still not have your name or your family’s names dragged through the mud online or attacked. They won’t “Fair Play”. If you confess to any priest, it’s of your own free will, your not forced to sit in rooms and give up or say embarrassing, sensitive personal information that could later be used against you by E-meter polygraph machines.
If you stop attending mass or don’t donate and declare you’re an atheist, I don’t think there’s some policy that states your family and loved ones are forbidden from talking or even communicating with you anymore.