the satellite office was outperforming the head office statistically, but because it created work for people in the head office, it was treated like a red-headed stepchild
"in business, this is a product, remote office, employee, etc
"the satellite office was outperforming the head office statistically, but because it created work for people in the head office, it was treated like a red-headed stepchild" What is the definition of "red-headed stepchild"?