If wearing a mask violates house rules, the manager can ask people to leave. It's OK for businesses to cater to the whims of their customers, even if they're irrational, like if most people wouldn't shop in a place that doesn't require masks. But customers have no default standing to confront other customers.
There's market demand for explicitly "NO MASKS REQUIRED" restaurants, etc - but government force is preventing it!
Right-libertarian "property owners can require masks" (counter)-counter-points:
Throwing coffee in someone's face definitely initiates physical aggression.
If wearing a mask violates house rules, the manager can ask people to leave. It's OK for businesses to cater to the whims of their customers, even if they're irrational, like if most people wouldn't shop in a place that doesn't require masks. But customers have no default standing to confront other customers.
There's market demand for explicitly "NO MASKS REQUIRED" restaurants, etc - but government force is preventing it!