The unfortunate key here is "theoretical". 802.11g is old, and it's true I don't have any g-only devices left. But I do have a lot of wireless-N devices that max out at 72Mbit, and interference is a frequent problem.
WiFi has evolved, yes. But my 900Mbps router paired with a 450Mbps wireless adapter still underperformed my 10Mbps powerline network for network drives & filesharing, and interference frequently drops WiFi speeds to a tenth of their intended speed.
WiFi has evolved, yes. But my 900Mbps router paired with a 450Mbps wireless adapter still underperformed my 10Mbps powerline network for network drives & filesharing, and interference frequently drops WiFi speeds to a tenth of their intended speed.
It has a valuable place, but so do hard lines.