What was it like courtside at Cameron for the Duke vs UNC game?

Brenden Marks, The Athletic, on the UNC vs Duke matchup and his takeaways from what he saw in Cameron.

What did Brendan see while in Cameron, that maybe wasn’t televised? What was his take on Kyle Filipowski’s trip? Or was it a trip? Cormac Ryan had a huge game, is this sustainable going into the tournament? What was Duke’s biggest downfall, from what he could see?