Not to mention, if they're using a cable wifi gateway, the ISP can traffic shape them. I had the Comcast xfinity tower thing when I first switched, all my devices topped out at 10Mbps upload even if it was the only thing connected at the time. Swapped it for a surfboard and my own x86 router using openwrt and topped out at the max (at the time) 40 Mbps.
Not to mention, if they're using a cable wifi gateway, the ISP can traffic shape them. I had the Comcast xfinity tower thing when I first switched, all my devices topped out at 10Mbps upload even if it was the only thing connected at the time. Swapped it for a surfboard and my own x86 router using openwrt and topped out at the max (at the time) 40 Mbps.