The commenter is not saying literal taxi dispatch is complicated. But that's an extremely reductive view of what Uber is. Their actual point is 1) that it's a

The commenter is not saying literal taxi dispatch is complicated. But that's an extremely reductive view of what Uber is. Their actual point is 1) that it's a complex problem to make it a programmatic market which functions nationally (even internationally) and 2) that such a product will naturally have a feature and convenience advantage over regional-specific, capital-constrained alternatives.