It is incredibly inspiring that the first author that we know of in all of human history was a woman living within a kick-your-teeth-down-your-throat, highly repressive patriarchal society. I imagine it took a lot of courage for her to step out of the convention of anonymous writing and boldly attach her name to her works. People probably regarded her as conceited and arrogant, a prima donna and an iconoclast. But she was also the king’s daughter, which gave her an immense amount of privilege. She used this privilege to carry her father’s water as he brutally expanded his colonial empire.
The "first author that we know of" is not the same as the first author ever. And as Mel Brooks has pointed out, "It's good to be the king." Not bad to be the king's daughter, either, and a high priestess as well. What you imagine and what you think probable is purely speculative. The main question is whether her work is still worth reading.