Mr. Wembanyama has had to keep a low profile while in New York to try and win the N.B.A. finals, but on visits there, he has always resisted hiding in hotel rooms and private cars.
The night began with frustration and boos, and not because of the Knicks. But by the end of Game 3 of the N.B.A. finals, the team had slightly deflated some spirits, too.