Yes, creative advertisements deceive consumers and this is in fact their primary function. Creative advertisements tend to entertain in order to attempt to get a consumer to purchase a product. What they do not do is tell a consumer about the product and why the product is worth purchasing at all.
We present information in a way its meant be taken, making links between objects and scenarios which otherwise wouldn't have. Deception I think is the wrong word, we point out a truth which we can then expand on. The recent john lewis a great example, It shows a bear and a hare in an emotional story, It doesn't portray you will have a great christmas. It places all the facts on the table, allowing the consumer to come to their own decision, we just help that connection to be made.