Why Do I Need Task Dependencies in ClickUp?

In ClickUp, there was a feature that basically did exactly what I've done in notion. It was called a sub task and it moved the tasks for you. Now, task dependencies in ClickUp work well. There's fine. You get notification and blah, blah, blah. But something that comes to mind when thinking aboutdependencies is why do you need them? That was the question I came up with. If I haven't scripted a video, I can't record the video. So for me, dependencies in my workflow right now, I really don't need them because I physically can't do the next task in the list unless I've done the task beforehand.I just can