Knights of Columbus was founded as a civic organization as a results of the Masons black balling Roman Catholics. One of those, "if you can't join 'em, beat 'em" sort of things.
They aren't "soley ... helping each other and their faith." Unless all those tsuanmi victim suddenly converted.
And look up the definition of McCarthyism, it doesn't imply that Joseph McCarthy did anything, and it might help you understand HBmoms post.