The Tabernacles Discourse is a memorable event in the Gospel of John, but in the Jewish cultural context, it is an even more dramatic event. Scholars disagree on the Light of the World discourse, whether it belongs to the Tabernacles Discourse or not, as the woman caught in adultery exists between the two exchanges. The oldest manuscripts lack the woman caught in adultery; thus the two exchanges would both occur in the context of the Festival of Tabernacles, providing a further dramatic and provocative exchange.
We know that the Lord will win over all His enemies, so perhaps the Lord has given the secular world to their own debased thinking. In the absurdity of post-modern thought, the Truth will come out. It is an opportunity to bring people back to the Truth that God has revealed to us. So how shall we then live?