Anything that Catholicism or Protestantism did or didn’t do that might reach the levels of current day Islam happened so far back as to be the mists of time. The crusade against the Cathars, not the Inquistion, is what pops up in my mind.
More Delusional Apologetics for Islam
Excerpt: Unlike the Christian Bible, which is the product of an ongoing spiritual inspiration of humans existing in time, the Koran is the pre-existing, uncreated, eternal word of Allah, dictated to Mohammed. It is perfect as written, just as the life and sayings of Mohammed provide the perfect, timeless guide for every dimension of life, including law, economics, politics, and family life. The role of interpretive exegesis or allegory in traditional Islam, then, is vastly less significant than it has been in Christianity. Any Muslim today who desires to reinterpret, say, jihad, or relations with non-Muslims, or illiberal shari’a law, will thus find it difficult, if not impossible, to change the plain meaning of the scriptures as understood consistently by Muslims for 14 centuries.