1) They're unhappy with you because you did not read their minds. Like how fucking dare you for not predicting the future to suit their selfish desires?
2) They're unhappy with both the problem and solution. And then for some reason, it's your fault anyway.
3) Their idea of an apology is a total non-apology where they make up excuses and lies to make sure they come out on top.
4) Their modus operandi is to publicly shame people on social media.
5) They work by double standards.