Why don't they have big fan-bases with large state schools with low admissions standards? I think that's fairly obvious.
San Diego has road wins over Grand Canyon, New Mexico State, and Colorado.
San Francisco has beaten MWC champion Nevada, and Top 20 SMC.
I can see that you very badly want to persist in using the term "Bottom 7," but you lose credibility when you include Top 150 teams who are solid on the court.