> ... yes, I would rather read text produced by human beings, not because of its quality ... (snip) ... but just to defend human dominance.

One could make a strong argument that defending moral principles is preferable to preferring the underlying creative force to have a particular biological composition.

As an example, I don't want a system to incentivize humans kept as almost-slaves to retype AI generated content.

How can one tell the difference between all the gradations of "completely" human generated to not?