It's considered acceptable in our culture to approach perfect strangers, as often or not who may be in extremis, and evangelise. I don't see why that's considered a normal thing. ↗
Think about technological float: it took centuries for the wheel to gain universal acceptance. Now any microchip device can be in use around the world in weeks. ↗
John Paul II made it clear that... liberation theology based on the teaching of Jesus Christ was necessary, but liberation theology that used a Marxist analysis was unacceptable. ↗
For the source of any characteristic so widespread and uniform as this adaptation to environment we must go back to the very beginning of the human race. ↗