Post-moderns often do not respond well to traditional forms of evangelism, so witnesses would do well to meet them where they are and interact in an engaging, relational and authentic way.
Does it go against human nature to be kind? Why do we pat ourselves on the back when we do a kind deed and/or extend a kindness to another individual or group?
While Christians are to be forward-looking and forward-thinking, a rearview perspective is what shapes our faith and guides us steadily on when the world shifts, though God is the same yesterday, today and tomorrow.