alt Hacker NewsIANAL, but the parent comment quotes "any profits of the infringer that are attributable to the infringement", which I take to mean it's the profit Anthropic stands to make based on its use of the pirated content that's recoverable.
Given the entire global economy is currently bullish on the potential profitability of AI, I dare say they got off incredibly lightly settling for just $3k per book.
None of this matters, this is the judge approving a voluntary settlement reached between the parties last year.
If you think it should be different then you have to make a cogent argument why the public should get to interfere with a settlement the two sides mutually agree on.