I think we can agree to disagree on that point.
For one thing, historians spend a lot of effort into pinning down why Hitler was the way he was. Academics have theories of syphilis or mental illness or whatever. Why can’t we the people of faith theorise too?
You might consider it useless speculation, but it can have a practical use today. If we can learn how to identify when powerful or wealthy people are in league with the devil, it would help us be on our guard. According to the quote I wrote in a previous post, and the video below, these exorcist-priests do say that some wealthy powerful people made pacts with the devil, and that the illuminati is real and the Freemasons are also satanic at its highest echelon. It is useful to be able to detect when a prominent person is in league with the devil, and learning about the signs these historical people exhibited can help with that. If people knew better when Hitler was around, less people would have been seduced.
m.youtube.com/watch?v=mZz4ksWJbTE