With a cynical viewpoint like this, how would you know the difference between "luxury beliefs expressed just to keep others down and make me look fancy" vs "ear

With a cynical viewpoint like this, how would you know the difference between "luxury beliefs expressed just to keep others down and make me look fancy" vs "earnestly held beliefs based on learning, and perhaps I could learn something by considering these beliefs"? Perhaps evaluate the beliefs based on their merit, rather than whose beliefs they are?