While data rates are impressive in the laboratory, you will find that you may have to re-wire your telephone line circuits, and the Telephone Company has to provide better lines. CC Net is more than twice as fast compared to cable modem service. Inexpensive cable modem service is not available to many businesses. You also share television services. Many recreational users use cable modems.
Cable service is a monopoly.
Cable connections require a special modem, and installation by the cable provider. The Cable Company is in the business of selling you TV service, telephone service, and they want to sell you data service. They are not a network or Internet networking company. You still have to deal with cables, and the associated cabling. These are all hidden costs.