It's not so much an insistence, more just where the industry is at. Those freewheel hubs are loud because that's generally the lightest, most efficient design - lots of teeth for immediate drive engagement, no extra grease that would lessen said engagement, no extra material for sound dampening.
Clutch mechanisms are available, but these are slightly less efficient and generally more expensive.
Basically... People love spending lots of money for the absolute highest quality components. How will other riders know how fancy your hubs are unless it broadcasts that fact to the world?
Clutch mechanisms are available, but these are slightly less efficient and generally more expensive.
Basically... People love spending lots of money for the absolute highest quality components. How will other riders know how fancy your hubs are unless it broadcasts that fact to the world?