This seems unnecessary unless you have high latency requirements, like for FPS or fighter gaming, but even then WiFi (and network coding for these games) has gotten so good that lag is barely noticeable anyway.
I say this as someone who has my desk hardwired with an unmanaged switch because it seems silly to not take the time to hardwire a stationary PC and the place where I spend the majority of my time working: if I go downstairs with my work laptop then I'm going going to drape an ethernet cable across my living room just so my connection is 1 Gbps still instead of 400+ Mbps.
