I don't think it's relevant. Her business is designed to get you to game and pass the interview regardless of whether or not the interview is effective. Theref

I don't think it's relevant. Her business is designed to get you to game and pass the interview regardless of whether or not the interview is effective. Therefore her business interests are orthogonal to her opinions on "interviews." She may still be biased, but I don't think business interests color her bias.