You can’t really throttle the TV service. When it’s on it’s on. And given how much they’re forced to charge any kind of limitations would just drive customers away. Internet data throughput is able to be throttled. Eventually either their infrastructure will grow to handle it or the TV business will have shrunk enough to reduce the drag on the bandwidth.
See here for the latest.
http://arstechnica.com/tech-policy/news/2011/06/1gbps-fiber-for-70in-america-yup.ars
1Gbps fiber for $70—in America? Yup.
http://caivn.org/article/2011/06/13/california-isp-may-render-net-neutrality-laws-unnecessary
California ISP may render “Net Neutrality” laws unnecessary