People need to stop acting like AI systems can detect AI. They can't. Pangram and similar are simply lying. There's no method to do what they claim and there never will be.
Seriously this. Let's skip pangram and em-dashes and just revert to common sense:
A church is the pattern for a brain-washing org. Catholic and derivatives just happen to dominate western hemisphere. Its operation is no different from, say, Scientology.