I do. I don’t want sporting events, conventions, etc. to become platforms for advocacy about controversial politics.
I support non-disruptive actions like kneeling at an anthem, but advocacy about a political issue during a post-match interview streamed by the event organizer certainly crosses the line.
Crossing lines is the point of activism, we wouldn't have any of the rights we enjoy (and soon we might lose if we're not careful) in the west if not for people that systematically crossed lines and used high visibility occasions to make a point.
Were rules already established in the terms of service that would prevent him from protesting against a country or supporting oppressed people? If it was during the broadcast, then cutting the broadcast is sufficient punishment.