Because there has to be demand for it. There are hundreds of tasks that could be automated right now, and people still choose to do them by hand. Just because something is technically replaceable doesn’t mean it will be replaced and editing is a deeply personal part of the process for almost every director. It will change, but for serious work, it will never be a sure shot job handled entirely by AI. Sure, for low effort marketing videos you’d outsource to Fiverr, it’ll happen sooner or later but that’s not what we’re talking about here.