I think most larger ISPs current have their own speed test nodes these days. It’s problematic if they don’t, because if Comcast detects a virgin running a spee

I think most larger ISPs current have their own speed test nodes these days. It’s problematic if they don’t, because if Comcast detects a virgin running a speed test, they can throttle virgin traffic to give lies as results. So virgin need to run their own nodes. If you kill net neutrality, that behaviour is legal.