Regarding the protestantization of Catholic youth--a Gallup poll ten years ago found that two out of three Catholics no longer believe in the Real Presence. There can be no doubt this has been because of the institution of the Novus Ordo Mass.
That probably is a factor. But I think the lack of parental involvement in children's education can also play a bigger role in this. I think many parents don't care what religious beliefs their offspring have. This is a sad development for our faith community, and has a devastating impact on the lives of countless young people. This is a large factor in the growth immorality that is found in the youth culture of our time. Even those with a faith background can get caught up in it (I sure did). At the same time however, there are the young people like the ones I have mentioned. What we are called to do is to minister to such young people, and to raise our children properly in the teachings of Catholicism.