Perhaps it's a failure in this communication mode. It seems to be that you've argued yourself down a garden path. From my understanding your statements are A)

Perhaps it's a failure in this communication mode. It seems to be that you've argued yourself down a garden path. From my understanding your statements are A) using incorrect concepts (moment in time? A 15 minute infection window turns into a 20 minute infection window) B) simply irrelevant. Unless you can provide evidence to the contrary, cloth masks aren't trapping any relevant amount of virus