Earlier quoted context omitted.
Whatever insights and expertize you've gained up until now can probably be used to gain enough of a competitive advantage in this future industry to be employed. I doubt the people that will spend their time on this professionally will be former coders etc. (I've seen the stable diffusion outputs that coders will tweet. It's a good illustration that taste is still hugely important.)
I like your optimism but OP's job is to take text instructions and turn them into video, for advertisements. If Google (who already control so much of the advertising space) can take text instructions and turn them into advertisements, what's left for OP to do here? Even if there's some additional editing required this seems like it will greatly reduce the hours an editor is needed. And it can probably iterate option…
I think Cleo Abrams on YT recently tackled this exact question. She tried to generate art using DALL-E along with a professional artist, and after letting the public vote blindly, the pro artist clearly 'made' better content, even though they were both just typing into a text prompt.
Here's the link if you're interested: https://www.youtube.com/watch?v=NiJeB2NJy1A
I could see a lot of digital artists actually getting better at their job because of this, not getting totally displaced.