Quote Originally Posted by The Aboleth View Post
On the bolded part: We see him trying (in a futile way, but trying nonetheless) to keep Belkar from killing him, only to be killed anyway ("Yeah, I wasn't really buying those theories either...worth a shot, though."). So I don't think the Oracle is capable of manipulating outcomes.

Comic for reference: http://www.giantitp.com/comics/oots0567.html
Yet he prepared a way to come back, and a way to very specifically punish Belkar, in advance, showing he can prepare for the future he sees. Honestly, I'd take a joke taken at the expense of the crazy forum theories as less representative of his abilities than the actions that do have an impact on the story.