Jesus Myth theory can be measured"; but he finds Carrier's arguments "problematic and unpersuasive", his use of Bayesian probabilities "unnecessarily complicated and uninviting", and he criticizes Carrier's "lack of evidence, strained readings and troublesome assumptions." Furthermore, he observed that using Bayes theorem in history seems useless, or at least unreliable, since it leads to absurd and contradictory results such as Carrier using it to come up with low probability for the existence of Jesus and scholar Richard Swinburne using it to come up with high probability that Jesus actually resurrected. Gullotta also says that there is absolutely no evidence whatsoever, either documentary or archaeological, that there was a period when Jews or Christians believed that Jesus only existed in heaven as a celestial being, which is Carrier's "foundational" thesis, rather than living as a human being on earth. Carrier is observed to constantly misinterpret and stretch sources and he also uses extensively fringe ideas like those of Dennis MacDonald on Homeric epics paralleling some of the Gospels, while downplaying the fact that MacDonald is still a historicist, not a mythicist. Gullotta also observes that Carrier relies on outdated and historically useless methods like Otto Rank and Lord Raglan's hero myth archetype events lists, which have been criticized and rejected by most scholars of folklore and mythology, in which Carrier alters the quantity and wording of these lists arbitrarily to his favor. Gullotta describes the belief that a historical Jesus never existed as a "fringe theory" that goes "unnoticed and unaddressed within scholarly circles". Concerning the same book, Christina Petterson of the University of Newcastle writes, "Even if strictly correct, the methodology is tenuous. In addition, the numbers and the statistics seem like a diversion or an illusionary tactic which intentionally confuse and obfuscate". Unlike Gullotta, Petterson describes On the History of Jesus as somewhat amateurish: "Maths aside, nothing in the book shocked me, but seemed quite rudimentary first year New Testament stuff." With respect to Carrier's argument that the later tales of a historical Jesus should be studied for their literary and rhetorical purpose, and not for their historical content, Petterson says that this "reveals Carrier's ignorance of the field of New Testament studies and early Christianity." M. David Litwa of Australian Catholic University, in a discussion of Carrier's work with a focus on On the Historicity of Jesus, notes that Carrier portrays himself "as a kind of crusader fighting