2. Learn about how people actually change their minds, instead of trying to coerce and shame them and then shunning them when they don't take your point of view instantly.
3. Be open-minded to the valid points they may have. Almost no one is 100% wrong, and you are not 100% right. But when you start from a "you're wrong and stupid" perspective, your audience digs in their heels deeper.
4. Coordinate memetic campaigns to provide an alternative viewpoint to people who might be on the verge of being taken in by the wrong and stupid.
5. Provide a safe harbor for people who might possibly change their minds. Recognize that by changing their worldview they may be shunned by their existing family, friends, and/or community. They need to know that if they join your worldview they're not going to be shamed for not joining it sooner.