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They say "I don't agree with X", when they are really saying, "I don't agree with the teaching of God and His Church on X".

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This is more than a bit harsh. Since so much of Catholic teaching is extra-biblical it's perfectly reasonable to disagree with many doctrines of the Church without being a "cafeteria Catholic".

I'll list a few:

- Female preists
- married preists
- papal infallability
- marriage as a sacrament

At a minimum, it should be obvious that the Church has changed its opinion on many issues over the years. This means that what is now orthodoxy could once have been called disagreeing "with the teaching of God and His Church". Today's "cafeteria Catholics" may well be tomorrow's conservatives.