Sure; but then don't also try to justify the action by saying someone else would have done it in your place? "I need a job, even an unethical one, and refuse to

Sure; but then don't also try to justify the action by saying someone else would have done it in your place? "I need a job, even an unethical one, and refuse to feel bad about that" is a completely different argument than "I would have been replaced by someone who would have done the same, and so don't need to feel bad about it".