But none of your examples show that!
In each case, the person question received legal penalties - were in effect cancelled by the law - before they started to realize that what they did was wrong.
To prove your case, you'd need to show some examples where white supremacists or other baddies were doing perfectly well, and then decided, only based on persuasion, to change their ways.
My takeaway from the article is that we need to use the power of the law and the power of the boycott to destroy these people's positions within their corrupt organizations, and only then will they rethink their evil ways.