It seems like you want people to examine their long held beliefs and customs, adopt your view that they are harmful and unethical, and change their behavior to match yours. A change that may have specific hurdles unknown to you for every individual.

Humans, being social animals, don’t typically react with reason to things that they percieve to be antagonistic. They tend to mirror hostility and are most likely to fight or disengage when facing an opponent, and cleave to the safety of the groups that accept them.

Just or not, the act of starting an interaction sets the tone. You’re completely justified in attacking villains and shaming them, but when you throw a devil costume on someone I don’t think you should be surprised when you get pitchforked.