"midday trains that aren't necessary."

Wrong. part of what hobbles transit is inconvenient schedules/inadequate frequencies.
On a more general note, expecting any new transit service to meet ridership goals in the first couple of months doesn't take into account the time necessary for the system to gain credibilty. Given the devastating fires this whole project will take far longer to prove or disprove itself. As to As, Bs, Cs. they should get Csbecause that allows a 3 car train with riders able to move from car to car to find less crowding.