Most US bus systems have a strong bias towards coverage and are learning that utilization gets better if they instead discard coverage in favor of frequency. Having a bus stop nearby isn’t worthwhile if it comes once an hour. Those people will drive anyway. Better to provide an actually compelling alternative to a subset of the city than a worthless alternative to all of it.

I think coverage would promote frequency, you don't have to go down every street, just enough blocks away for everyone.