You can tighten the circle even tighter than that. Since (non-N95) masks are mostly useful for limiting how far your own droplets spread, and don't do much to protect against incoming germs, it's really not about whether or not you personally are following the rules. It's about whether or not everyone else is.
It's sort of like the pool at my kids' swim school. If other toddlers were being allowed to go in the pool without a swim diaper, then it really wouldn't matter if my own kid is wearing one or not. They'd still be swimming in water that's repeatedly being fouled by uncontained feces.
It's sort of like the pool at my kids' swim school. If other toddlers were being allowed to go in the pool without a swim diaper, then it really wouldn't matter if my own kid is wearing one or not. They'd still be swimming in water that's repeatedly being fouled by uncontained feces.