Would Mary Baxter make up a kook narrative of being in Hell just to sell books? Consider her obvious model, Hal Lindsey, who predicted the imminent Apocalypse while making long-term real estate deals.

The story these hucksters tell themselves is because they're "bringing people to Jesus" it's all good.

https://medium.com/belover/the-man-who-sold-the-apocalypse-c9585fc370eb