No, it can operate in several small areas, and the number of small areas it can operate in is a deployment issue. It certainly doesn't mean it is solved, but it

No, it can operate in several small areas, and the number of small areas it can operate in is a deployment issue. It certainly doesn't mean it is solved, but it is largely solved for a large proportion of rides, in as much as they can keep adding new small areas for a very long time without running out of growth-room even if the technology doesn't improve at all.