Last thing an ISP wants is for all it's users to move to a slower internet connection because a good QoS lets them avoid the lag/stutter of VOIP, video calls, g

Last thing an ISP wants is for all it's users to move to a slower internet connection because a good QoS lets them avoid the lag/stutter of VOIP, video calls, gaming, etc. Consumers shop for routers and ISPs based on things besides QoS.