> Therefore those brothers were likely brought up frum
what does this mean in our days? We don’t know. Unless they were in a family of a well-known tzadik, they might have been raised in an orthoprax family without much learning and went to schools that did not inspire much. I don’t know if there is a term for such people, but they are in a worse position than tikomos shebnishba – they rejected something that was not real Torah and now have bad attitude.