It's not a contradiction. The buses only go down main roads. But on those roads they stop at every block. I'd be happy to walk three or even four blocks to catch a bus. So the bus could stop every 6-8 blocks on the roads it goes down. Now that those buses are faster we might be able to add additional routes on roads that were previously more than 3-4 blocks from a stop.

Also other countries were able to solve this. It's a uniquely American problem.