It is already happening. It has already happened. Bradley Beal of the Washington Wizards cared little about staying out of the Olympics because he was not vaccinated. And Kyrie Irving of the Brooklyn Nets was unable to deliver a face-to-face lecture to the media.
Andrew Wiggins (Golden State Warriors), for his part, tried diplomatic means and asked the NBA to exempt him from getting vaccinated to play, but the organization of the League has denied him, in line with the rule dictated by the Department of San Francisco Public Health, which requires the vaccination certificate to access the Chase Center.
