I'm with you when it comes to professional sports teams forcing public engagement, especially when they take government funding to build new stadiums.
By accepting taxpayer money, they’re effectively taxing the population without consent, which amounts to coercing us into supporting them (forced engagement).
However, I think I see the last point differently. It sounds like you're saying that anyone who works for someone else is unfree because they have to follow their employer’s rules. But doesn’t that overlook the employee’s choice in the matter? If someone voluntarily chooses to work for an employer and accepts the terms, isn’t that an exercise of freedom?
No one is forcing the quarterback to play in the league or for the team they signed with.
Novak Djokovic wasn’t forced to compete in the tournament, he simply said no, exercising his freedom to choose.