Dead-end in the sense that the use case you describe can be implemented by something that also allows for apps, therefore we can anticipate it will be subsumed

Dead-end in the sense that the use case you describe can be implemented by something that also allows for apps, therefore we can anticipate it will be subsumed by that something (much like previous services online were rendered obsolete / irrelevant by HTTP, a protocol that could vend documents that also hyperlinked to other documents).