Everybody understands that it's an opinion, it's a social convention, no need to spell it out. Just like people saying "broccoli are bad" doesn't need to be sub

Everybody understands that it's an opinion, it's a social convention, no need to spell it out. Just like people saying "broccoli are bad" doesn't need to be subtitled with "it's a matter of taste" or this dress looks ugly implies that it's a subjective take on aesthetics.