User blog comment:Joe Copp/An essay regarding the internet/@comment-1025281-20120103105456/@comment-189012-20120103111347

Indeed this is the case of most social websites, where users perceive moderators/the administration as the "final word". This is also the case for most cases when one obtains authority; once granted exclusive rights, he would abuse it sooner or later.

I would add the following to your list: