> If we can make it harder to run a scam call business by changing things on our end How much harder? If your changes increase the telephony costs of a scam ca

> If we can make it harder to run a scam call business by changing things on our end How much harder? If your changes increase the telephony costs of a scam call centre from 0.001% of revenue to 0.002%, you have not actually made their operations harder. > and these changes do not impede non-fraudulent use, why not go for it? Because these changes would not be free.