Baseball.
Major league pitchers can throw the ball a hundred miles an hour, by the time the ball reaches the seats behind home plate it can still be traveling over 80 MPH, and if a fan gets hit in the face with a baseball traveling 80 MPH it might break their face, they might need to go to the doctor and have surgery to repair the damage.
If there were no net or fence behind home plate, and a fan was struck by a ball and injured, then that fan has the right to sue the pitcher for damages. If this occurred a number of times, pretty soon pitchers would have to not throw the ball as hard as they could, because they have no way of controlling whether a batter nicks a pitch and sends that "foul tip" screaming backward at an unsuspecting fan sitting in the seats behind home plate.
Does the pitcher have the right to throw the ball as hard as he can? Does the fan have the right to sue the pitcher for damages if they are struck with either an errant pitch that the catcher misses, or with a foul tip (that neither the pitcher nor the catcher can prevent)? If a batter tips the pitch, all the velocity of the ball came from the pitcher, not the batter, all the batter did was deflect its trajectory.
The solution to this problem is the netting or fence constructed by the owners of the ball field. With the backstop in place, the pitcher can throw the ball as hard as he can without worry that he'll be sued by a fan sitting behind home plate if the batter makes slight contact and sends a foul tip back at the fans. The owner of the park has the right to not install such a backstop, and they have the right to install the backstop. But if the owner exercises his or her right to not install a backstop, then the pitchers will all trim down the velocity of their pitches, so that if the ball is tipped, they minimize their financial risk from being sued, and the game of baseball will I think we'd all agree suffer as a consequence.
When the owner of the park installs a backstop, then the game can be isolated from financial risk and as a result the quality of the play will maximize, which is what the fans really are there to see in the first place.
In this case, the ball park owner deciding against exercising his or her right to not install a backstop, physically protects the paying fans sitting behind home plate, and it protects the pitchers from financial risk, and it encourages that the game be as competitive /high-quality as possible, which is what the fans, the pitchers, and the owners all want.
When people voluntarily decline to exercise their rights, for the good of themselves and of others, this is a virtue, and we oughtn't force people to be virtuous, we should only force people to be just, to respect our universal rights.
Do we have a right to go about our business without wearing a face covering? (And why does this question sound like I'm posting in a Muslim forum discussing whether women should wear face coverings in public?)
My answer is yes, we have that right. And therefore, I think that any laws made to force people to wear a face covering as they go about their business is an unjust and immoral law. But if people voluntarily decline to exercise their right to not wear a face covering in public, then it sounds like it would help everybody out, and if that is true, then to decline to exercise your right to not wear a face covering in public would be virtuous, but it would still be legal and moral to not wear a face covering.