>>213531181 (OP)We actually respect Christians and Jews in terms of religion as People of the Book or as The Celestial Religions. Between the two, we feel Judaism is the less corrupted, hence we can eat Kosher meat as halal. Most Muslims will not denigrate Jesus or Moses or any of the shared Prophets because it is a sin in Islam, hence our consternation when Christians or Jews denigrate Muhammad. Many practices in Islam arose due to trying to prevent what we feel to be corruptions in Christianity from happening again. Primarily, there is no priesthood in Islam to prevent an institution like the Papacy to develop. The Quran and prayers must be in the original Arabic to prevent mistranslations and intentional changes that we feel were done to the Bible. We have the huffaz, people who memorise every word in the Quran and can recite any verse on command. These act as living error checkers to the Quran.
Early on in Islamic history, there was actually a less known Hegira, where Muslims escaped to Christian Ethiopia and sought refuge there. The Pagan Quraish sent emissaries to capture the muslim refugees but the muslims recited the Surah Maryam to the Ethiopian King and he decided to protect them. When this King died, the Prophet performed a funeral prayer for him, the only time this is performed for a non-Muslim.