We're not talking Ethernet vs USB 2.0. USB 2.0 wins in terms of cheapness.
However, Ethernet IS cheaper than USB 3.0. And Ethernet is significantly less complex. Look at carnage from all the audio interface people trying to come to grips with Thunderbolt and USB 3.0. Whereas, people implement gigabit Ethernet interfaces all the time.
And this dovetails with USB 2.0. In terms of complexity, I have found that Ethernet wins. I have started removing USB 2.0 from anything I can and replacing it with Ethernet when possible. USB 2.0 is such a pain to handle in terms of drivers while Ethernet "just works".
Re:How Apple Alienated Mac Loyalists
by wildmusings on Tuesday December 20, 2016 @11:40PM
(#13226831)
100Gb ethernet seems to be faster than Thunderbolt (max 40Gb). PCI Express v4 x16 does win at ~250Gb, but 400Gb ethernet is in the works.
(And yes, I'm assuming bare ethernet frames, not IP or such)