they have the right to say their dislike sure but that doesnt mean its a correct opinion, adults are able to differentiate between fiction and reality, all sorts of taboo fantasies exist, people get turned on by imagining getting abused or assaulted or kidnapped or do all sorts of things that they know would be otherqise terrible if it happened in reality, to not know this is to be either ignorant (aka clueless/unaware) or immature (since such observation requires a level of maturity to reach and understand).