completely sure all the world's problems would be solved by wiping it out.

I seriously doubt it's that bad for the people you've met. Studies show that the majority of Americans are tolerant of religion even if they don't believe in God or the church, temple, mosque, snakes, the Pope, supply side 'Christians' or whatever. Part of this is because Protestantism is still a significant undercurrent in American culture. Indeed that's one of the reasons Americans can't hear 'fuck' or see boobs on FCC-managed TV. And as noted in the Reddit link of my first comment, many who do not like the Bible have nonetheless read portions of it and would expect others to read some of it. For many people, the Bible is just a book.