bite the hand that feeds you

To Gay, it also felt like Garcia was betting against her own team and had violated the cardinal rule of reality TV: Don’t bite the hand that feeds you.

“You don’t bite the hand that feeds you.”

"Why bite the hand that feeds you?"

“It’s still inherently risky, I think, to bite the hand that feeds you,” Chan said.

“Every artist is understandably nervous to bite the hand that feeds you, even if it doesn’t feed you much,” Hunt said.