Your questions and suggestions are indeed up to the point!
Right now, as you've noticed, the navbar gets added automatically. We didn't provide any APIs for its customization or disabling, leaving these for a later stage, while concentrating on the richness of the core modules.
That said, this discussion happens right in time :)
Both Ian's questions and Arthur's note will be taken into consideration.
Let me know if you need something specific in a real-live scenario so that I prepare an example for it.
Check out the Telerik Platform - the only platform that combines a rich set of UI tools with powerful cloud services to develop web, hybrid and native mobile apps.