One category that bias can fall into is called clickbait. name two other categories

Some people define "fake news" as news that is created to make money. Other people broaden the definition to include deliberate spread of misinformation to persuade someone.  "Language, statistical figures, graphics, and other forms of presentation intended to persuade by impressing and overwhelming a reader or listener with a blatant disregard for truth and logical coherence." (Carl Bergstrom)

we would need to be able to read the passage in question to determine which factor allowed david believe he could defeat goliath. post the passage, and i'd love to out.