On the other hand, they're a reaction to that exact thing in e.g. Twitter's enforcement of their rules. They'll decide what's kind and what's not. If you're on

On the other hand, they're a reaction to that exact thing in e.g. Twitter's enforcement of their rules. They'll decide what's kind and what's not. If you're on Twitter's good side and retweet somebody with "get em!", you're good. If you do the same while not aligned with Twitter politically, you're asking your followers to harass individuals and will be punished.