It's insane the speed of progress. That being said, the most smooth example in that tutorial (Temporal Kit) required a lot of outside processing.
I wonder if AUTOMATIC1111 ui will start handling workflow scripts, a.l.a blender workflow boxes.
There is another UI for workflow scripts:
https://github.com/comfyanonymous/ComfyUI
Give it enough times and it will also have the UI simplicity of automatic1111 UI.