You certainly touch a weak spot there, but i guess if structured right the approval system works fine. First of all there will be no AI operating, to my knowledge it's the founder and a few others, who do the releases. This is said to be opened to token holders at a certain stage. In the end they try to be a quality platform, so they need to prevent sh**tposts and group circle voting. If article guidelines are clear and transparent I don't see that big of an issue, everipedia will also work with user voting etc...