Oh I see where your confusion lies. You think that when someone asks a question, they're obliged to also answer it. But no. You were asked why you believe that taking something that doesn't prevent infection or transmission will keep you from passing the virus on to those around you. That's the question TO YOU!you are incapable of answering your own question. 49 times.
And we're still waiting for your answer. Only you can tell what's on your mind, not us.