because the MSM told you so.
You don't drink their Kool-Aid when they're talking about Israel, or 0bama, or the "financial crisis", or illegal aliens, or ...
Why in the Name of God do you drink their bathwater when they're talking about the Catholic Church?
..because unlike the Catholic Church I am interested in those things. I am just telling you how it looks to us from outside of the church. I guess that shouldn't matter to you.