(Note: I'm in no way trying to defend such audiophoolery as buying expensive ethernet cables)
The reason why stuff can matter even in digital is because it does have to get converted to analog at some point, and if things aren't completely isolated, then interference in a digital portion of the system can leak over to an analog part. Probably imperceptibly, but still there.
Which makes me think: Why isn't anyone swindling the audiophools with some overpriced fiber ethernet gear?
Of course there's always the option of not using these closed source apps, but it really hinders your social life.
You know, there was a time when there was no such thing as Facebook. Believe it or not, people still managed to have social lives.
Why the US Keyboard has a smaller "enter" key
At its left extreme, it's much closer to home row than the ISO enter and thus more efficient to hit. Same thing with the left shift key.
All great ideas are controversial, or have been at one time.