Where we disagree is that I don’t think all humans are bad. We all do sucky things from time to time; no one is pure. Additionally it’s often hard to see why someone might do something if you don’t share the same experiences, so it might seem evil to you.
What I see happening here is that people want to hate her because she’s rich, and by golly anything they can latch onto to confirm that desire to be true will be trotted out.