Reportedly he was not sure he'd even bother to show up to this event[2].
[1]: https://www.chess.com/blog/Eternal-Pawn/chess-at-the-crossro...
FIDE conceded — and then punished Magnus for his jeans and refused to allow Hikaru to have cameras. It’s hard not to see it as political, given the context and fact FIDE went after multiple top level players.