I disagree. The faster download speed you have, the better chance you can stream multiple 720p/1080i video streams or two to three Ultra HD video streams without stuttering. That’s why Comcast’s new DOCSIS 3.1 gigabit Internet service is so enticing.
I just kind of assumed cord cutters are not the ultra HD demographic. But a google search shows you need 25mbit/second for that. As far as the new docsis standards, my old trusty bitsurfer cable modem stopped working a couple months ago. Comcast upgraded their service and my equipment was no longer compatible.