> This would make it so relicensing with AI rewrites is essentially impossible unless your goal is to transition the work to be truly public domain.

That's not true at all. Anyone could follow these steps:

1. Have the LLM rewrite GPL code.

2. Do not publish that public domain code. You have no obligation to.

3. Make a few tweaks to that code.

4. Publish a compiled binary/use your code to host a service under a proprietary license of your choice.