By his fundamental criticism of the historical credibility of the classical Islamic narratives concerning Islam's beginnings and his attempt to develop an alternative, historically more credible version of Islam's beginnings, Wansbrough founded the so-called "revisionist" school of Islamic Studies. According to historian Andrew Rippin and religious scholar Herbert Berg lack of interest by non-Muslim scholars in Wansbrough's ideas can be traced to the fact that Wansbrough strays from the path of least effort and resistance in scholarship by questioning the vast corpus of Islamic literature on the history of Islam, the Quran, and Muhammad; "destroying" what had been historical facts without replacing them with new ones; calling for using the techniques of Biblical criticism, requiring competency in other languages than Arabic, familiarity with "religious frameworks" other than Islam, and locations other "than Arabia on the eve of Islam". and treading on very sacred territory in Islam.