I am in favor of louder pipes for motorcycles for safety reasons. But there is such a thing as too loud.
Or maybe they're just assholes.
> Before the American city could be physically reconstructed to accommodate automobiles, its streets had to be socially reconstructed as places where cars belong [..] Until then, streets were regarded as public spaces, where practices that endangered or obstructed others (including pedestrians) were disreputable. Motorists’ claim to street space was therefore fragile, subject to restrictions that threatened to negate the advantages of car ownership.