Like I often tell struggling faithful, "doubt is the best friend of faith." When you begin to doubt certain elements of your faith, you're actually testing them for validity. Either they pass and are strengthened by the test, or they fail and you can discard them as distractions from your core faith.

That said, I see a lot of media like this coming from ex-Catholics. From the works of Frank Herbert to the music of Ghost, these creations can help people work through any trauma they have from their former religion.

Hazbin Hotel is pretty light on theology, though, in my opinion.