Let's be honest, people who can just make up the rules about 'whats a violation' will abuse that power. The problem with that interpretation is that is already

Let's be honest, people who can just make up the rules about 'whats a violation' will abuse that power. The problem with that interpretation is that is already the situation, except to a much greater extent. People holding a position of power in a community inevitably have the ability to use that power and influence to affect the community, including restricting or removing participants. I struggle to see how the introduction of a set of pretty straightforward rules would make that situation worse. Indeed, one of the major reasons for introducing that set of rules is for somebody to be able to subsequently point at it, say "(bullying|privacy violations|personal attacks|sexual imagery) are not allowed here, please stop doing it".