No, why would they care about using pirated PDFs? Did you actually read/understand what I wrote? Violating their customers comes with risk for them. Violating the copyright of unrelated texbook authors does not. If that's even what they did.
They are currently paying book authors over a billion dollars in damages. You're out of your depth in this discussion so further engagement is not going to be fruitful for anyone involved. Good luck.
Oh no, not 0.2% of their valuation! The end is near for Anthropic. Humanity is saved. By the copyright lobby, of all people.