Those are high numbers indeed. Perhaps a little too high...
But knowing how to write well is an art indeed. No matter content in general, for business purposes, or technical writing in particular.
And all those people who really believed that an AI (a machine) could do it better, will some day come to realize what is real:
Humans have hearts and brains and imagination - and each of them though similar in terms of country and region for traditions and background - still is unique.
I remember the early days of ChatGPT in a room with the department's team at the time, we looked at an example result of a prompt: I took one look and knew and said so: That's Wikipedia.
By this time some variety has entered but the long and the short of it is:
Since AI uses data and its patterns for finding similar patterns in more data to then re-assemble or make predictions, basically - how can that be unique?
Just my two cents and confirmation. :)
Kind Regards
Nina