No we don't have to trust them. THAT is at best a misnomer and at worst an outright falsehood on its face. In fact, most of the books of the Bible, especially the NT are pseudepigrapha, FORGERIES.

I wrote an article about this: The Bible's Authors Are A Lie:

https://keith-michael.medium.com/the-bibles-authors-are-a-lie-4eecfb79cada