According to Arbor Networks, the cost of fielding a single call to customer service can wipe out three years' profitability for a customer's broadband account.
Uh huh. Jenkins is a kook. Either that or customer service is overpaid at Comcast. Didn't realize one telephone call costs them $3000.
Alternately, charge for customer service calls...
...oh wait, that would make people move to another provider. Crapmuffins.