> into the original intent of intellectual property laws to defend creative works as a manner to sustain yourself
But you're missing the other half of copyright law, which is the original intent to promote the public good.
That's why fair use exists, for the public good. And that's why the main legal argument behind LLM training is fair use -- that the resulting product doesn't compete directly with the originals, and is in the public good.
In other words, if you write an autobiography, you're not losing significant sales because people are asking an LLM about your life.