Because you need to understand marketing, snazzy web design, business, and how to talk the talk. This will qualify you to either sell this stuff or become a politician.
What about leaving the knob off completely - use a vice grips occasionally to change volume - no more pesky knob to color your midrange, and you save $$$ !
if that thing is so sensitive to airborne vibrations, maybe a bit of epoxy potting compound injected into the thing will help out too! make it sink to the bottom of the landfill better too
this reminds me of stereophile mag. my wife accidently subscribed to it (she thought i was talking about a different mag) -- so i've been glancing through it. i gotta admit ... while the gear is nice, i've never read so much HOOEY in my life. :rolleyes