So if may summarize your question : What is it with people who have an absolute definition of truth, people who think truth is something that has been revealed

So if may summarize your question : What is it with people who have an absolute definition of truth, people who think truth is something that has been revealed/given to them rather something to be found by questioning the world, people who think the world outside of their community is at best misguided if not evil, what is it with them that make them so intolerant ? Who knows ?