Different people have different learning preferences, so it’s important that we apply this fact to our delivery models.
An excellent illustration of this concept is provided by The Unteachables, a BBC documentary currently showing in Australia on the ABC.
E-Learning Provocateur 
I agree that the series mentioned was an excellent demonstration of the application of different learning styles to cater for the different strengths and intelligences that learners have.
Concentration on one just one delivery model for learning will perhaps discourage learners who preferred learning style is different from that model.
And in that way we miss out on the contribution that can be made by those people with different intelligences