Yes. If someone is approaching you in public with a mic in their hand, you don't owe them anything. If someone cold-calls you for sales, you don't owe them a

Yes. If someone is approaching you in public with a mic in their hand, you don't owe them anything. If someone cold-calls you for sales, you don't owe them a moment more of your time once you realize what they are. If someone knocks on your door to sell knives or pots and pans or Jesus, you especially don't owe them anything.