No method can balance lack of understanding

XP, TDD, BDD, Agile… are great accelerators in what you do! 

Only when when you emerging yourself in the business domain and robust coding to deepen your understanding while developing and in doing so you organize yourself by applying methods, you will reap the method’s promised fruits.

You need a cake to put icing on! Proficiency – or growing – in subject matter knowledge and robust coding is the cake, and the method the icing.