In my experience, many priests are spot-on with Rome, 100%. However, some seem to lack the whole spirit and letter of the law. The sometimes lean too far one way or the other. For example: rock music in the “Teen Mass”. Not really sanctioned by Rome, is it?

Another example: For “added beauty” music is used during teh consecration. Another faux pas.
How is it that some people, who read teh same books as others, do not see the reason for following the exact words of the GIRM?
Friend of Rome:
You are asking a question that has no simple answer.
The simplest and perhaps most simplistic answer I can give you is that the Church is experiencing a severe breakdown in its heirarchical structure; priests have been given free reign to do whatever they want, with no correction from anybody, and they have taken advantage of this.
Bishops simply do not see it as their place to “tell their priests what to do,” much less discipline them.
Lay people, because of the fear of going to hell, feel that it is never, ever their place to correct a priest, no matter how wrong he is (pietaphiles, that is, adherents to the pieta prayer book, will know what I mean).
Pastors, especially in well-populated areas, feel that they have to make their masses more attractive and more fun, lest their parishoners remove themselves (and their weekly donations) to a parish which is more “progressive” and “vibrant” (dear Lord, how I have come to hate those two words!).
Those are three reasons which I believe to be valid and accurate answers to your questions. The list could go on.
MT
(P.S. In the world of logic, there is a fallacy called the “Accident Fallacy”. This is essentially the application of a general rule to an atypical specific case. It is like saying that, because of freedom of speech, a man who yells “fire!” in a crowded theater should not be prosecuted.
I mention this now because I am sure that someone who just read my posting is ready to blast that mean old MichiganTrumbul with comments like “Well, not ALL bishops/priests/lay people are like that!”
Be assured that I am aware of this, and be mindful of the Accident Fallacy when you respond.)