Graphic designers I think are safe, at least within organizations that require a cohesive brand strategy. Getting the AI to respect all of the previous art will be a challenge at a certain scale.
Getting graphic designers to use the design system that they invented is quite a challenge too if I'm honest... should we really expect AI to be better than people? Having said that AI is never going to be adept at knowing how and when to ignore the human in the loop and do the "right" thing.
There are people generating mostly consistent AI porn models using LORA, the same strategy could be used to bias the model towards consistent output for corporate branding.
Even if its not perfect, many startups will be using AI to generate their branding for the first 5 years and put others out of a job.
Right now the tools are primitive, but leave it to the internet to pioneer the way with porn...
Probably not the lives of translators or graphic designers or music compositors. They will have to find new jobs. As llm prompt engineers, I guess.