"USB", "TV/HDMI", "Networking", "Every Audio Connector Known to Man", and the inimitable: "Plugs-to-Wall"

We have the same. Do you know why the ‘every audio connector known to man’ box contain every audio connector known to man but yet never a stereo 1/8” headphone-jack to headphone-jack cable?

don't know any audio engineers? If your bboc is simply a mishmash of things you've accumulated over the years, and not intelligently designed, it won't, but don't make the mistake of extrapolating from your own experience and thinking it applies to everybody.