I hear people say this often, but when you look into what they actually mean, it's often a comparison of having a single mediocre ISP CPE in a corner of an apar

I hear people say this often, but when you look into what they actually mean, it's often a comparison of having a single mediocre ISP CPE in a corner of an apartment, at most with a wireless repeater in another, vs. Ethernet. Of course the wire wins in that comparison. Now put an access point into every room and wire them to the router, and things start looking very differently.