To be fair though, DOCSIS 3.1 can push 10GB through coax so it's not all bad.
HFC for example is a shared medium across the entire neighbourhood, and in fact if you get root access on your modem and run tcpdump on the HFC interface you may see everyone else's packets as well - there's optional encryption built into DOCSIS but I've never seen it enabled.
It's annoying that we defer to them...
I could get 2000mbps with Comcast and can only get 25mbps with AT&T...
Like BT, Virgin Media is fibre to the cabinet and then copper for the last mile. It's just that the coaxial copper and the DOCSIS protocol used by Virgin do a better job at speed than the twisted pair copper and the VDSL protocol used by BT.
It's going to be very interesting to see how they advertise real fibre to the public when it arrives, if even on Hacker News there's confusion about it.