From what I've seen in demos, it addresses low-level plumbing elegantly but I don't see how a relatively unobtrusive framework (I mean it as a major compliment)

From what I've seen in demos, it addresses low-level plumbing elegantly but I don't see how a relatively unobtrusive framework (I mean it as a major compliment) can help against making plain old design mistakes with wrong events, commands etc. that don't fit together and are unable to satisfy requirements.