I do agree on judging an establishment by its foundational texts, at least in part - also considering modern actions are important too to consider evolution of

I do agree on judging an establishment by its foundational texts, at least in part - also considering modern actions are important too to consider evolution of understanding and concepts. On the point of "casting out demons", these are old texts translated from heavily evolved languages. Literal translations are often lost (eg today how we greet others "what's up?"). However taking it on its literal meaning, if the act of casting out literal demons to make one a better person is not outdated today, is the end result not still worthy? Doctors used to bleed patients to heal fever. While that act is outdated, is trying to cure the fever no less important? (full disclosure, I am catholic, but I'm not sure what I'm trying to say)