Memoir writers are the least of it.
Radiologists, lawyers, accountants, all sorts of folks working white collar jobs had better watch their backs.
If there's anything in your job that is boring and repetitive, someone is going to try and automate it. If you're lucky, it'll just be those portions of your job, but realistically, lots of companies will be "ambitious" and try to automate far more of it.
And just because they can't automate it in 2023 doesn't mean your job is safe in 2025. The rate of AI advancement is accelerating rapidly.