I don’t know why anyone feels the need to pick the defence of corporations as the hill to die on. They are both after your money and both do not give a shit about you as a person

She’s in full on self-destruct mode. Been there and done that. Sadly even if you were good yourself you would be in no position to help her. It is possible to pull yourself out of that hole without professional help (I did but I didn’t realise what was happening at the time, I can now looking back though) but it can take literal years.