There's the opportunity cost to the attacker as well. Sure, they could walk arou...

crpatino on Oct 9, 2015 | parent | context | favorite | on: 81-year-old man driven to death by phone scammers

There's the opportunity cost to the attacker as well.

Sure, they could walk around your barriers and scam your relative... or they could shrug it off, carry on with their list, and scam another five or ten people in the same time frame.