Okay, so Facebook has said she - worked there for less than two years and had no direct reports - never attended some sort of key meeting - did not work on the subject matter in question ...and therefore, she lacks context which undermines some of her claims. Which of those is a matter of character, or a "disgusting" attack? They might be wrong, or they might be right but bringing up irrelevancies, but the writer is…
Of course they cannot do that because she is literally citing their own words. Which is why this is just a thinly veiled, pathetic attack on a worker.