Agreed.
MM is a media draw even to this day. The credentials of the people making this film (very, very liberal ) underscore that sad reality.
That is not to say that Martin did not have eloquence. He did.
But, at least from what I've read by those who've really tested the evidence, his claims (and his penchant for married women, as attested by well known clergy in some cases) wildly exceeded reality.
How a man who helped foster the Jєωιѕн triumph at Vatican II, making a princely sum from his Judaic paymasters, and then went on to become a media darling, despite preposterous claims about his "exorcist career" and a wildly imaginative set of claims - all eloquently sold, of course - ever became an idol among some traditionalists escapes me.