Knowledge of Scripture is a good thing, but it doesn't save anyone unless it's put into action.
Why put the blame on the Church for your parents' failure to educate themselves? The information is out there. All you have to do is pick up a phone or log on to a website and order it.
To know God better one only needs to pick up their Bible. I pray that the priests will be lead by a new Pope to teach their sermons out of the Bible. It is good to be taught by a student of the word, who has dedicated their life to such persuits.
Isa 28:9-13
9 Whom shall he teach knowledge? and whom shall he make to understand doctrine? them that are weaned from the milk, and drawn from the breasts.
10 For precept must be upon precept, precept upon precept; line upon line, line upon line; here a little, and there a little:
11 For with stammering lips and another tongue will he speak to this people.
12 To whom he said, This is the rest wherewith ye may cause the weary to rest; and this is the refreshing: yet they would not hear.
13 But the word of the LORD was unto them precept upon precept, precept upon precept; line upon line, line upon line; here a little, and there a little; that they might go, and fall backward, and be broken, and snared, and taken.