That's not really true in noisy areas. The available radio spectrum is limited, and as more users inhabit an area you are basically time-sharing. The less tim

That's not really true in noisy areas. The available radio spectrum is limited, and as more users inhabit an area you are basically time-sharing. The less time you have to send packets, the more latency some of those packets will experience. Empirically, wifi latency can be _extremely_ poor in busy areas.