Is it really all about the speed race? Why don't I ever hear about quality of service, smaller latencies, etc? Is it because it is less marketable? I am sure IS

Is it really all about the speed race? Why don't I ever hear about quality of service, smaller latencies, etc? Is it because it is less marketable? I am sure ISPs can ultimately do something about it. If I am naïve, then please guide me.