My parents were perfectly open-minded about everything. They never tried to convince us of what was true or what wasn't true in their minds. We were just presented with the information that was around and pretty much allowed - though, I mean, we knew how they felt. We knew they didn't go to church. So obviously that had an effect.
Every major technological step forward has profoundly changed human society - that's how we know they're major, even if we don't always realise it at the time. Farming created cities. Writing, followed eventually by printing, vastly increased the preservation and transmission of cultural information across time and space.