There's a lot of discussion going on lately regarding ranged, mobility, and dps potential.
Since Hunters are not hindered by movement, you are balanced around the idea that movement will not cost you dps. Other ranged do not have the full mobility / full dps niche that Hunters have (either there is a limited range of mobile spells, or there is not full movement). This means those other classes are compensated for the loss of movement by having higher stand-and-nuke dps (at least in theory).
Would you Hunters be willing to trade in some of your mobility for higher stand-and-nuke dps ? Maybe a self-snare when casting Cobra/Steady ? Not being able to cast Cobra/Steady when moving at all ? Revert to stance dancing (at the cost of a gcd each switch) ? Maybe have some of your other instants converted to cast time with normal movement restriction on them ?
Or do you feel that other ranged should be brought up to your level of mobility so that everyone is equally balanced for both Patchwerk and movement scenarios ? I don't see Blizz going this route (at least not anytime soon -- at the earliest, 6.0), but if it's part of the discussion maybe they'll listen. But maybe you folks would prefer to have the mobile dps niche all to yourselves ?
Is the question itself even hitting the mark ? Do you feel like your stand-and-nuke dps suffers because you have fully mobile dps ?