How Should Don John Interfere With Claudio And Hero's Marriage

“The only thing necessary for the triumph of evil is for good men to do nothing.” Edmund Burke. In Much ado about nothing, everything happens on essentially nothing, a rumor, a planned conversation, what looks like something. Everything happens based on what is thought, glanced at, or rumored. Therefore evil briefly triumph because good men do “nothing”.
Everyone agrees that Don John is evil. But some say he should interfere in the marriage of Claudio and Hero and others say he should not. Don John should not interfere with Claudio and Hero’s marriage for three reasons: It is selfish, he will face his brother's wrath, and it is wrong. The first reason that Don John should not interfere with Claudio and Hero’s marriage is that it is