The analogy refers to humans using machines to do what would already be legally if they did it manually.
> And LLM developers are not aspiring to become writers and do not learn anything, they just want to profit by making software using copyrighted material.
[Citation needed], and not a legal argument.
> Also people do not read millions of books to become a writer.
But people do hear millions of words as children.
At a rate 1000 words/day it takes 3 years to hear a million words. Also "million words" is not equal to "million books". Humans are ridiculously efficient in learning compared to LLMs.