It isn't the baby grunting that concerns me. Its the clapping and nonstop cheering. Is it because the baby is cute, or do they really think the baby is preacher? The latter option scares me. Later on it gets very unusual.
Hollywood seems to have lost what makes the classics timeless. I believe that PC is mostly to blame. It's like their trying to mold them to fit the modern stereotypes. What makes good stories work is the fact that they stand out in a positive way.
Maybe you should post a warning for your last sermon... "This sermon contains at least one reference to an obscene hand gesture, and may not be suitable for young children."