"It's not fair!"

[RichS]

And there's always the catchall phrase from The Princess Bride.
"You keep using that word. I do not think it means what you think it means."

Another Princess Bride quote, that fits nicely here...

Grandfather: "Well, who says life is fair? Where is that written? Life isn't always fair."

[Tito]

Why do the SCs insult you then always think you will do something nice for them?

I've often wondered that, myself. I don't know why they would think that insulting an employee would make the employee want to do them a favor.

I guess it'll always be one of life's unsolved mysteries.

[Lace Neil Singer]

Maybe cuz... they're idiots? XD