But this is my point, no one thinks that masks somehow seal-in all water droplets to your face or that they filter diseases out of your breath. All they’re supposed to do is limit the distance that your breath travels when you exhale, and this video clearly shows that they do that. Yes, obviously a decent amount of vapor leaves the mask, but it doesn’t go way out and expand to fill the room like it would if he were vaping without a mask. The masks all did exactly what they were supposed to do