Communication must be maintained: you are correct. It seems to me that we are at a crossroads these days. Protestants came along and introduced the widespread notion that individual interpretation of Scripture is what the Apostles intended. Now, when a knowledgeable Catholic tries to have a discussion with them, they take issue with the most basic things, and no real communication can take place. They will usually criticize a priest who does his best to explain the Church's teaching in the specific case, which ends up sounding like a lecture, and the Prots are miserable unless they interfere and question too many things. There is a real rift in communication as a result.
So, along comes "dialogue" ("dialog" seems to have a more technical connotation) which is supposed to make everyone feel good. But if we accurately define what it is that has been going on under the banner of "dialogue," we can immediately see that it is nothing Catholic. Why do I say this?
Let's start with a good definition:
dialogue: a mutual verbal exchange (intercourse) between a Catholic and a non-Catholic in which they both endeavor to "discover" the truth, presuming from the start that neither one has it.
Do you see the problem with this kind of discussion?
Converts often go through this kind of phase. They get caught up in a longing for Gregorian chant, stained glass, lots of incense, Latin, particular styles of sacred art, and so on. If a convert is lucky, this phase passes and he/she returns back to the daily job of being a Christian. The Catholic Faith is actually quite simple. Either you try to live a life according to Christ's teachings, avail yourself of the sacraments, and read the Scriptures daily, or you do not, and get caught up in delusions, be they liturgical nitpicking or apparition-chasing or whatnot. But people find any number of creative ways to avoid doing what they should be doing. So-called traditionalists, for example, seem to spend most of their time harrassing others about paranoid conspiracies, liturgy, postures, how to receive communion, how to sing, how to dress, what kind of art is permissible, and so on ad nauseam. I recall in a thread about B16's inauguration, some dimbulb of a traditionalist had nothing better to do than point out how ugly the Pope's crucifix is. Of course nothing meets their satisfaction, so they incessantly go on about everything that doesn't measure up to their standards. It's much easier to behave this way than to follow Christ with a measure of humility, because florid displays of nitpicking and whining appeal to people whose spirituality is based on false pride.