It is not. Text is very dense information wise and recursive and you can formalize it. And easily coupled with interactions method. And more apt for automation. You can easily see this with software like Autocad which have both. There's a reason all protocol are texts.

Vision and audio plays a nice role, but that's because of humans and reality. real world <-> vision|audio <-> processing pipeline makes sense. But processing <-> data <-> vision|audio <-> data <-> processing cycle is just non sense and a waste of resources.