authorship lines are blurred once AI output is mixed in. This makes license compliance practically impossible.

because you can't cite your source, you are free to violate the license?

If you can't cite my code properly, don't use my code!

FOSS reciprocity collapses when attribution and ownership disappear.

There is more than one proprietary project that uses foss code without proper attribution. And they don't provide code, money, time or anything back. That's not new.

Like above, if you don't link back to me, don't use my code.