His actions make sense from a game theory perspective. Data ethics is a very hot issue to ethical employers. Unethical employers would be a better fit for him,

His actions make sense from a game theory perspective. Data ethics is a very hot issue to ethical employers. Unethical employers would be a better fit for him, but do not advertise themselves as unethical. By advertising himself as unethical, he not only filters out ethical employers but offers unethical employers a risk-free way to woo him.