Yeah it's a really common theory in evangelical circles, the church I went to as a kid believed all that bullshit. Occurs due to boomer brain viewing literally everything as an action movie in which they're the protagonist, interpreting Revelations literally instead of viewing it as a metaphor, or about the downfall of Rome, and reading too much Left Behind. Apparently Mike Pence believes all this, weather he actually is a true believer or not no one really knows.