He pointed out three highly unusual things about Earth. These are three things out of hundreds that are highly unusual. It would seem those hundreds of very rare things make our circumstances inconcevably unusual. The utter lack of any signal whatsoever from the trillions collected from all directions and times in space corroborates his conclusion.
If he is biased, he is biased by data. Others are biased by wishful thinking, misplaced spirituality, laziness or profit motive. Good luck getting them to admit that.