The cynical interpretation of the term 'Bible-based' would be this:
I'm going to try and approach this from a different direction than I normally would.
As a child I thought the love of my family was supernatural or particularly Christian. Our strong love was evidence of a special relationship with God. We were approved of and were given truth, and our love was the proof. I was a church kid, which was a somewhat insular life. I grew to believe my life was privileged by God, so much so that as I grew older I began to question how I could have such privilege from God. The idea of being privileged did not make sense.
I lived in a suburb in which we didn't know most neighbors. I wasn't allowed to wander about and make friends, because my parents feared I might be kidnapped or run over by a car. (Kidnapping and crime had recently become heavily reported in the news. If a child disappeared in Hawaii it was like it had happened locally.) Many kids in the neighborhood were not like me and were allowed to roam about on bicycles, but not me. I also didn't live near to any relatives and only saw them once a year. My neighborhood in a suburb was to me nothing more than asphalt.
Church fulfilled my need for neighbors and family. At church everyone hugged, greeted one another like long lost friends. They dressed well, and they were respectful. We held doors for one another and smiled and greeted and said goodbye. It was a wonderful neighborhood full of food and friends and noise. And we did things for people: for drug addicts and prisoners and people without food. As a child I could talk to anyone, anyone at all in church and wander about like I owned it. Old men told me stories. Thousands of people recognized me. I knew all the secret rooms, every secret, every sound. I knew how to get into the attic, and I knew how to sneak into the ceiling though I never did so. I knew all the kitchens, all the restrooms, all the hallways. I saw them as they changed and the people, too.
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Many people live in small towns, in farming communities; or they may attend the same church all of their lives which can function for them as an isolated community. There are many small communities, and I think this has a lot to do with how people perceive insular bible-based christiandom. I have reason to think so, although I am generalizing from my experience.
So it is easy for a person who grows up in a small community to think of it as special and of their family love as supernatural. If they also believe that their community has a leg up on scripture, has more truth, then as a result they may associate their level of truth as privileged, something they must be grateful to God for.
That is a strong bible-based community.
